EsperEPL2GrammarBaseListener.java

// Generated from EsperEPL2Grammar.g by ANTLR 4.5.3

/*
 ***************************************************************************************
 *  Copyright (C) 2006 EsperTech, Inc. All rights reserved.                            *
 *  http://www.espertech.com/esper                                                     *
 *  http://www.espertech.com                                                           *
 *  ---------------------------------------------------------------------------------- *
 *  The software in this package is published under the terms of the GPL license       *
 *  a copy of which has been included with this distribution in the license.txt file.  *
 ***************************************************************************************
 */
package com.espertech.esper.epl.generated;


import org.antlr.v4.runtime.ParserRuleContext;
import org.antlr.v4.runtime.tree.ErrorNode;
import org.antlr.v4.runtime.tree.TerminalNode;

/**
 * This class provides an empty implementation of {@link EsperEPL2GrammarListener},
 * which can be extended to create a listener which only needs to handle a subset
 * of the available methods.
 */
public class EsperEPL2GrammarBaseListener implements EsperEPL2GrammarListener {
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterStartPatternExpressionRule(EsperEPL2GrammarParser.StartPatternExpressionRuleContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitStartPatternExpressionRule(EsperEPL2GrammarParser.StartPatternExpressionRuleContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterStartEPLExpressionRule(EsperEPL2GrammarParser.StartEPLExpressionRuleContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitStartEPLExpressionRule(EsperEPL2GrammarParser.StartEPLExpressionRuleContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterStartEventPropertyRule(EsperEPL2GrammarParser.StartEventPropertyRuleContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitStartEventPropertyRule(EsperEPL2GrammarParser.StartEventPropertyRuleContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterStartJsonValueRule(EsperEPL2GrammarParser.StartJsonValueRuleContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitStartJsonValueRule(EsperEPL2GrammarParser.StartJsonValueRuleContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterExpressionDecl(EsperEPL2GrammarParser.ExpressionDeclContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitExpressionDecl(EsperEPL2GrammarParser.ExpressionDeclContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterExpressionDialect(EsperEPL2GrammarParser.ExpressionDialectContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitExpressionDialect(EsperEPL2GrammarParser.ExpressionDialectContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterExpressionDef(EsperEPL2GrammarParser.ExpressionDefContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitExpressionDef(EsperEPL2GrammarParser.ExpressionDefContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterExpressionLambdaDecl(EsperEPL2GrammarParser.ExpressionLambdaDeclContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitExpressionLambdaDecl(EsperEPL2GrammarParser.ExpressionLambdaDeclContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterExpressionTypeAnno(EsperEPL2GrammarParser.ExpressionTypeAnnoContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitExpressionTypeAnno(EsperEPL2GrammarParser.ExpressionTypeAnnoContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterAnnotationEnum(EsperEPL2GrammarParser.AnnotationEnumContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitAnnotationEnum(EsperEPL2GrammarParser.AnnotationEnumContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterElementValuePairsEnum(EsperEPL2GrammarParser.ElementValuePairsEnumContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitElementValuePairsEnum(EsperEPL2GrammarParser.ElementValuePairsEnumContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterElementValuePairEnum(EsperEPL2GrammarParser.ElementValuePairEnumContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitElementValuePairEnum(EsperEPL2GrammarParser.ElementValuePairEnumContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterElementValueEnum(EsperEPL2GrammarParser.ElementValueEnumContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitElementValueEnum(EsperEPL2GrammarParser.ElementValueEnumContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterElementValueArrayEnum(EsperEPL2GrammarParser.ElementValueArrayEnumContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitElementValueArrayEnum(EsperEPL2GrammarParser.ElementValueArrayEnumContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterEplExpression(EsperEPL2GrammarParser.EplExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitEplExpression(EsperEPL2GrammarParser.EplExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterContextExpr(EsperEPL2GrammarParser.ContextExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitContextExpr(EsperEPL2GrammarParser.ContextExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterSelectExpr(EsperEPL2GrammarParser.SelectExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitSelectExpr(EsperEPL2GrammarParser.SelectExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterOnExpr(EsperEPL2GrammarParser.OnExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitOnExpr(EsperEPL2GrammarParser.OnExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterOnStreamExpr(EsperEPL2GrammarParser.OnStreamExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitOnStreamExpr(EsperEPL2GrammarParser.OnStreamExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterUpdateExpr(EsperEPL2GrammarParser.UpdateExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitUpdateExpr(EsperEPL2GrammarParser.UpdateExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterUpdateDetails(EsperEPL2GrammarParser.UpdateDetailsContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitUpdateDetails(EsperEPL2GrammarParser.UpdateDetailsContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterOnMergeExpr(EsperEPL2GrammarParser.OnMergeExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitOnMergeExpr(EsperEPL2GrammarParser.OnMergeExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterMergeItem(EsperEPL2GrammarParser.MergeItemContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitMergeItem(EsperEPL2GrammarParser.MergeItemContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterMergeMatched(EsperEPL2GrammarParser.MergeMatchedContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitMergeMatched(EsperEPL2GrammarParser.MergeMatchedContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterMergeMatchedItem(EsperEPL2GrammarParser.MergeMatchedItemContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitMergeMatchedItem(EsperEPL2GrammarParser.MergeMatchedItemContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterMergeUnmatched(EsperEPL2GrammarParser.MergeUnmatchedContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitMergeUnmatched(EsperEPL2GrammarParser.MergeUnmatchedContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterMergeUnmatchedItem(EsperEPL2GrammarParser.MergeUnmatchedItemContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitMergeUnmatchedItem(EsperEPL2GrammarParser.MergeUnmatchedItemContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterMergeInsert(EsperEPL2GrammarParser.MergeInsertContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitMergeInsert(EsperEPL2GrammarParser.MergeInsertContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterOnSelectExpr(EsperEPL2GrammarParser.OnSelectExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitOnSelectExpr(EsperEPL2GrammarParser.OnSelectExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterOnUpdateExpr(EsperEPL2GrammarParser.OnUpdateExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitOnUpdateExpr(EsperEPL2GrammarParser.OnUpdateExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterOnSelectInsertExpr(EsperEPL2GrammarParser.OnSelectInsertExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitOnSelectInsertExpr(EsperEPL2GrammarParser.OnSelectInsertExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterOnSelectInsertFromClause(EsperEPL2GrammarParser.OnSelectInsertFromClauseContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitOnSelectInsertFromClause(EsperEPL2GrammarParser.OnSelectInsertFromClauseContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterOutputClauseInsert(EsperEPL2GrammarParser.OutputClauseInsertContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitOutputClauseInsert(EsperEPL2GrammarParser.OutputClauseInsertContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterOnDeleteExpr(EsperEPL2GrammarParser.OnDeleteExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitOnDeleteExpr(EsperEPL2GrammarParser.OnDeleteExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterOnSetExpr(EsperEPL2GrammarParser.OnSetExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitOnSetExpr(EsperEPL2GrammarParser.OnSetExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterOnSetAssignmentList(EsperEPL2GrammarParser.OnSetAssignmentListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitOnSetAssignmentList(EsperEPL2GrammarParser.OnSetAssignmentListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterOnSetAssignment(EsperEPL2GrammarParser.OnSetAssignmentContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitOnSetAssignment(EsperEPL2GrammarParser.OnSetAssignmentContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterOnExprFrom(EsperEPL2GrammarParser.OnExprFromContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitOnExprFrom(EsperEPL2GrammarParser.OnExprFromContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterCreateWindowExpr(EsperEPL2GrammarParser.CreateWindowExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitCreateWindowExpr(EsperEPL2GrammarParser.CreateWindowExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterCreateWindowExprModelAfter(EsperEPL2GrammarParser.CreateWindowExprModelAfterContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitCreateWindowExprModelAfter(EsperEPL2GrammarParser.CreateWindowExprModelAfterContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterCreateIndexExpr(EsperEPL2GrammarParser.CreateIndexExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitCreateIndexExpr(EsperEPL2GrammarParser.CreateIndexExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterCreateIndexColumnList(EsperEPL2GrammarParser.CreateIndexColumnListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitCreateIndexColumnList(EsperEPL2GrammarParser.CreateIndexColumnListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterCreateIndexColumn(EsperEPL2GrammarParser.CreateIndexColumnContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitCreateIndexColumn(EsperEPL2GrammarParser.CreateIndexColumnContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterCreateVariableExpr(EsperEPL2GrammarParser.CreateVariableExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitCreateVariableExpr(EsperEPL2GrammarParser.CreateVariableExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterCreateTableExpr(EsperEPL2GrammarParser.CreateTableExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitCreateTableExpr(EsperEPL2GrammarParser.CreateTableExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterCreateTableColumnList(EsperEPL2GrammarParser.CreateTableColumnListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitCreateTableColumnList(EsperEPL2GrammarParser.CreateTableColumnListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterCreateTableColumn(EsperEPL2GrammarParser.CreateTableColumnContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitCreateTableColumn(EsperEPL2GrammarParser.CreateTableColumnContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterCreateTableColumnPlain(EsperEPL2GrammarParser.CreateTableColumnPlainContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitCreateTableColumnPlain(EsperEPL2GrammarParser.CreateTableColumnPlainContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterCreateColumnList(EsperEPL2GrammarParser.CreateColumnListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitCreateColumnList(EsperEPL2GrammarParser.CreateColumnListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterCreateColumnListElement(EsperEPL2GrammarParser.CreateColumnListElementContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitCreateColumnListElement(EsperEPL2GrammarParser.CreateColumnListElementContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterCreateSelectionList(EsperEPL2GrammarParser.CreateSelectionListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitCreateSelectionList(EsperEPL2GrammarParser.CreateSelectionListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterCreateSelectionListElement(EsperEPL2GrammarParser.CreateSelectionListElementContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitCreateSelectionListElement(EsperEPL2GrammarParser.CreateSelectionListElementContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterCreateSchemaExpr(EsperEPL2GrammarParser.CreateSchemaExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitCreateSchemaExpr(EsperEPL2GrammarParser.CreateSchemaExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterCreateSchemaDef(EsperEPL2GrammarParser.CreateSchemaDefContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitCreateSchemaDef(EsperEPL2GrammarParser.CreateSchemaDefContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterFafDelete(EsperEPL2GrammarParser.FafDeleteContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitFafDelete(EsperEPL2GrammarParser.FafDeleteContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterFafUpdate(EsperEPL2GrammarParser.FafUpdateContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitFafUpdate(EsperEPL2GrammarParser.FafUpdateContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterFafInsert(EsperEPL2GrammarParser.FafInsertContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitFafInsert(EsperEPL2GrammarParser.FafInsertContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterCreateDataflow(EsperEPL2GrammarParser.CreateDataflowContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitCreateDataflow(EsperEPL2GrammarParser.CreateDataflowContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterGopList(EsperEPL2GrammarParser.GopListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitGopList(EsperEPL2GrammarParser.GopListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterGop(EsperEPL2GrammarParser.GopContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitGop(EsperEPL2GrammarParser.GopContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterGopParams(EsperEPL2GrammarParser.GopParamsContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitGopParams(EsperEPL2GrammarParser.GopParamsContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterGopParamsItemList(EsperEPL2GrammarParser.GopParamsItemListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitGopParamsItemList(EsperEPL2GrammarParser.GopParamsItemListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterGopParamsItem(EsperEPL2GrammarParser.GopParamsItemContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitGopParamsItem(EsperEPL2GrammarParser.GopParamsItemContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterGopParamsItemMany(EsperEPL2GrammarParser.GopParamsItemManyContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitGopParamsItemMany(EsperEPL2GrammarParser.GopParamsItemManyContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterGopParamsItemAs(EsperEPL2GrammarParser.GopParamsItemAsContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitGopParamsItemAs(EsperEPL2GrammarParser.GopParamsItemAsContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterGopOut(EsperEPL2GrammarParser.GopOutContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitGopOut(EsperEPL2GrammarParser.GopOutContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterGopOutItem(EsperEPL2GrammarParser.GopOutItemContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitGopOutItem(EsperEPL2GrammarParser.GopOutItemContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterGopOutTypeList(EsperEPL2GrammarParser.GopOutTypeListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitGopOutTypeList(EsperEPL2GrammarParser.GopOutTypeListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterGopOutTypeParam(EsperEPL2GrammarParser.GopOutTypeParamContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitGopOutTypeParam(EsperEPL2GrammarParser.GopOutTypeParamContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterGopOutTypeItem(EsperEPL2GrammarParser.GopOutTypeItemContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitGopOutTypeItem(EsperEPL2GrammarParser.GopOutTypeItemContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterGopDetail(EsperEPL2GrammarParser.GopDetailContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitGopDetail(EsperEPL2GrammarParser.GopDetailContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterGopConfig(EsperEPL2GrammarParser.GopConfigContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitGopConfig(EsperEPL2GrammarParser.GopConfigContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterCreateContextExpr(EsperEPL2GrammarParser.CreateContextExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitCreateContextExpr(EsperEPL2GrammarParser.CreateContextExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterCreateExpressionExpr(EsperEPL2GrammarParser.CreateExpressionExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitCreateExpressionExpr(EsperEPL2GrammarParser.CreateExpressionExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterCreateContextDetail(EsperEPL2GrammarParser.CreateContextDetailContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitCreateContextDetail(EsperEPL2GrammarParser.CreateContextDetailContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterContextContextNested(EsperEPL2GrammarParser.ContextContextNestedContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitContextContextNested(EsperEPL2GrammarParser.ContextContextNestedContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterCreateContextChoice(EsperEPL2GrammarParser.CreateContextChoiceContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitCreateContextChoice(EsperEPL2GrammarParser.CreateContextChoiceContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterCreateContextDistinct(EsperEPL2GrammarParser.CreateContextDistinctContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitCreateContextDistinct(EsperEPL2GrammarParser.CreateContextDistinctContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterCreateContextRangePoint(EsperEPL2GrammarParser.CreateContextRangePointContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitCreateContextRangePoint(EsperEPL2GrammarParser.CreateContextRangePointContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterCreateContextFilter(EsperEPL2GrammarParser.CreateContextFilterContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitCreateContextFilter(EsperEPL2GrammarParser.CreateContextFilterContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterCreateContextPartitionItem(EsperEPL2GrammarParser.CreateContextPartitionItemContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitCreateContextPartitionItem(EsperEPL2GrammarParser.CreateContextPartitionItemContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterCreateContextCoalesceItem(EsperEPL2GrammarParser.CreateContextCoalesceItemContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitCreateContextCoalesceItem(EsperEPL2GrammarParser.CreateContextCoalesceItemContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterCreateContextGroupItem(EsperEPL2GrammarParser.CreateContextGroupItemContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitCreateContextGroupItem(EsperEPL2GrammarParser.CreateContextGroupItemContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterCreateSchemaQual(EsperEPL2GrammarParser.CreateSchemaQualContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitCreateSchemaQual(EsperEPL2GrammarParser.CreateSchemaQualContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterVariantList(EsperEPL2GrammarParser.VariantListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitVariantList(EsperEPL2GrammarParser.VariantListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterVariantListElement(EsperEPL2GrammarParser.VariantListElementContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitVariantListElement(EsperEPL2GrammarParser.VariantListElementContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterIntoTableExpr(EsperEPL2GrammarParser.IntoTableExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitIntoTableExpr(EsperEPL2GrammarParser.IntoTableExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterInsertIntoExpr(EsperEPL2GrammarParser.InsertIntoExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitInsertIntoExpr(EsperEPL2GrammarParser.InsertIntoExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterColumnList(EsperEPL2GrammarParser.ColumnListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitColumnList(EsperEPL2GrammarParser.ColumnListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterFromClause(EsperEPL2GrammarParser.FromClauseContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitFromClause(EsperEPL2GrammarParser.FromClauseContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterRegularJoin(EsperEPL2GrammarParser.RegularJoinContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitRegularJoin(EsperEPL2GrammarParser.RegularJoinContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterOuterJoinList(EsperEPL2GrammarParser.OuterJoinListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitOuterJoinList(EsperEPL2GrammarParser.OuterJoinListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterOuterJoin(EsperEPL2GrammarParser.OuterJoinContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitOuterJoin(EsperEPL2GrammarParser.OuterJoinContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterOuterJoinIdent(EsperEPL2GrammarParser.OuterJoinIdentContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitOuterJoinIdent(EsperEPL2GrammarParser.OuterJoinIdentContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterOuterJoinIdentPair(EsperEPL2GrammarParser.OuterJoinIdentPairContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitOuterJoinIdentPair(EsperEPL2GrammarParser.OuterJoinIdentPairContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterWhereClause(EsperEPL2GrammarParser.WhereClauseContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitWhereClause(EsperEPL2GrammarParser.WhereClauseContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterSelectClause(EsperEPL2GrammarParser.SelectClauseContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitSelectClause(EsperEPL2GrammarParser.SelectClauseContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterSelectionList(EsperEPL2GrammarParser.SelectionListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitSelectionList(EsperEPL2GrammarParser.SelectionListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterSelectionListElement(EsperEPL2GrammarParser.SelectionListElementContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitSelectionListElement(EsperEPL2GrammarParser.SelectionListElementContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterSelectionListElementExpr(EsperEPL2GrammarParser.SelectionListElementExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitSelectionListElementExpr(EsperEPL2GrammarParser.SelectionListElementExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterSelectionListElementAnno(EsperEPL2GrammarParser.SelectionListElementAnnoContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitSelectionListElementAnno(EsperEPL2GrammarParser.SelectionListElementAnnoContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterStreamSelector(EsperEPL2GrammarParser.StreamSelectorContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitStreamSelector(EsperEPL2GrammarParser.StreamSelectorContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterStreamExpression(EsperEPL2GrammarParser.StreamExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitStreamExpression(EsperEPL2GrammarParser.StreamExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterForExpr(EsperEPL2GrammarParser.ForExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitForExpr(EsperEPL2GrammarParser.ForExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterPatternInclusionExpression(EsperEPL2GrammarParser.PatternInclusionExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitPatternInclusionExpression(EsperEPL2GrammarParser.PatternInclusionExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterDatabaseJoinExpression(EsperEPL2GrammarParser.DatabaseJoinExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitDatabaseJoinExpression(EsperEPL2GrammarParser.DatabaseJoinExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterMethodJoinExpression(EsperEPL2GrammarParser.MethodJoinExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitMethodJoinExpression(EsperEPL2GrammarParser.MethodJoinExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterViewExpressions(EsperEPL2GrammarParser.ViewExpressionsContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitViewExpressions(EsperEPL2GrammarParser.ViewExpressionsContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterViewExpressionWNamespace(EsperEPL2GrammarParser.ViewExpressionWNamespaceContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitViewExpressionWNamespace(EsperEPL2GrammarParser.ViewExpressionWNamespaceContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterViewExpressionOptNamespace(EsperEPL2GrammarParser.ViewExpressionOptNamespaceContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitViewExpressionOptNamespace(EsperEPL2GrammarParser.ViewExpressionOptNamespaceContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterViewWParameters(EsperEPL2GrammarParser.ViewWParametersContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitViewWParameters(EsperEPL2GrammarParser.ViewWParametersContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterGroupByListExpr(EsperEPL2GrammarParser.GroupByListExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitGroupByListExpr(EsperEPL2GrammarParser.GroupByListExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterGroupByListChoice(EsperEPL2GrammarParser.GroupByListChoiceContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitGroupByListChoice(EsperEPL2GrammarParser.GroupByListChoiceContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterGroupByCubeOrRollup(EsperEPL2GrammarParser.GroupByCubeOrRollupContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitGroupByCubeOrRollup(EsperEPL2GrammarParser.GroupByCubeOrRollupContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterGroupByGroupingSets(EsperEPL2GrammarParser.GroupByGroupingSetsContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitGroupByGroupingSets(EsperEPL2GrammarParser.GroupByGroupingSetsContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterGroupBySetsChoice(EsperEPL2GrammarParser.GroupBySetsChoiceContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitGroupBySetsChoice(EsperEPL2GrammarParser.GroupBySetsChoiceContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterGroupByCombinableExpr(EsperEPL2GrammarParser.GroupByCombinableExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitGroupByCombinableExpr(EsperEPL2GrammarParser.GroupByCombinableExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterOrderByListExpr(EsperEPL2GrammarParser.OrderByListExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitOrderByListExpr(EsperEPL2GrammarParser.OrderByListExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterOrderByListElement(EsperEPL2GrammarParser.OrderByListElementContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitOrderByListElement(EsperEPL2GrammarParser.OrderByListElementContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterHavingClause(EsperEPL2GrammarParser.HavingClauseContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitHavingClause(EsperEPL2GrammarParser.HavingClauseContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterOutputLimit(EsperEPL2GrammarParser.OutputLimitContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitOutputLimit(EsperEPL2GrammarParser.OutputLimitContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterOutputLimitAndTerm(EsperEPL2GrammarParser.OutputLimitAndTermContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitOutputLimitAndTerm(EsperEPL2GrammarParser.OutputLimitAndTermContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterOutputLimitAfter(EsperEPL2GrammarParser.OutputLimitAfterContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitOutputLimitAfter(EsperEPL2GrammarParser.OutputLimitAfterContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterRowLimit(EsperEPL2GrammarParser.RowLimitContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitRowLimit(EsperEPL2GrammarParser.RowLimitContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterCrontabLimitParameterSet(EsperEPL2GrammarParser.CrontabLimitParameterSetContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitCrontabLimitParameterSet(EsperEPL2GrammarParser.CrontabLimitParameterSetContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterWhenClause(EsperEPL2GrammarParser.WhenClauseContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitWhenClause(EsperEPL2GrammarParser.WhenClauseContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterElseClause(EsperEPL2GrammarParser.ElseClauseContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitElseClause(EsperEPL2GrammarParser.ElseClauseContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterMatchRecog(EsperEPL2GrammarParser.MatchRecogContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitMatchRecog(EsperEPL2GrammarParser.MatchRecogContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterMatchRecogPartitionBy(EsperEPL2GrammarParser.MatchRecogPartitionByContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitMatchRecogPartitionBy(EsperEPL2GrammarParser.MatchRecogPartitionByContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterMatchRecogMeasures(EsperEPL2GrammarParser.MatchRecogMeasuresContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitMatchRecogMeasures(EsperEPL2GrammarParser.MatchRecogMeasuresContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterMatchRecogMeasureItem(EsperEPL2GrammarParser.MatchRecogMeasureItemContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitMatchRecogMeasureItem(EsperEPL2GrammarParser.MatchRecogMeasureItemContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterMatchRecogMatchesSelection(EsperEPL2GrammarParser.MatchRecogMatchesSelectionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitMatchRecogMatchesSelection(EsperEPL2GrammarParser.MatchRecogMatchesSelectionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterMatchRecogPattern(EsperEPL2GrammarParser.MatchRecogPatternContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitMatchRecogPattern(EsperEPL2GrammarParser.MatchRecogPatternContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterMatchRecogMatchesAfterSkip(EsperEPL2GrammarParser.MatchRecogMatchesAfterSkipContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitMatchRecogMatchesAfterSkip(EsperEPL2GrammarParser.MatchRecogMatchesAfterSkipContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterMatchRecogMatchesInterval(EsperEPL2GrammarParser.MatchRecogMatchesIntervalContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitMatchRecogMatchesInterval(EsperEPL2GrammarParser.MatchRecogMatchesIntervalContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterMatchRecogPatternAlteration(EsperEPL2GrammarParser.MatchRecogPatternAlterationContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitMatchRecogPatternAlteration(EsperEPL2GrammarParser.MatchRecogPatternAlterationContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterMatchRecogPatternConcat(EsperEPL2GrammarParser.MatchRecogPatternConcatContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitMatchRecogPatternConcat(EsperEPL2GrammarParser.MatchRecogPatternConcatContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterMatchRecogPatternUnary(EsperEPL2GrammarParser.MatchRecogPatternUnaryContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitMatchRecogPatternUnary(EsperEPL2GrammarParser.MatchRecogPatternUnaryContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterMatchRecogPatternNested(EsperEPL2GrammarParser.MatchRecogPatternNestedContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitMatchRecogPatternNested(EsperEPL2GrammarParser.MatchRecogPatternNestedContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterMatchRecogPatternPermute(EsperEPL2GrammarParser.MatchRecogPatternPermuteContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitMatchRecogPatternPermute(EsperEPL2GrammarParser.MatchRecogPatternPermuteContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterMatchRecogPatternAtom(EsperEPL2GrammarParser.MatchRecogPatternAtomContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitMatchRecogPatternAtom(EsperEPL2GrammarParser.MatchRecogPatternAtomContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterMatchRecogPatternRepeat(EsperEPL2GrammarParser.MatchRecogPatternRepeatContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitMatchRecogPatternRepeat(EsperEPL2GrammarParser.MatchRecogPatternRepeatContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterMatchRecogDefine(EsperEPL2GrammarParser.MatchRecogDefineContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitMatchRecogDefine(EsperEPL2GrammarParser.MatchRecogDefineContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterMatchRecogDefineItem(EsperEPL2GrammarParser.MatchRecogDefineItemContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitMatchRecogDefineItem(EsperEPL2GrammarParser.MatchRecogDefineItemContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterExpression(EsperEPL2GrammarParser.ExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitExpression(EsperEPL2GrammarParser.ExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterCaseExpression(EsperEPL2GrammarParser.CaseExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitCaseExpression(EsperEPL2GrammarParser.CaseExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterEvalOrExpression(EsperEPL2GrammarParser.EvalOrExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitEvalOrExpression(EsperEPL2GrammarParser.EvalOrExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterEvalAndExpression(EsperEPL2GrammarParser.EvalAndExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitEvalAndExpression(EsperEPL2GrammarParser.EvalAndExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterBitWiseExpression(EsperEPL2GrammarParser.BitWiseExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitBitWiseExpression(EsperEPL2GrammarParser.BitWiseExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterNegatedExpression(EsperEPL2GrammarParser.NegatedExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitNegatedExpression(EsperEPL2GrammarParser.NegatedExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterEvalEqualsExpression(EsperEPL2GrammarParser.EvalEqualsExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitEvalEqualsExpression(EsperEPL2GrammarParser.EvalEqualsExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterEvalRelationalExpression(EsperEPL2GrammarParser.EvalRelationalExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitEvalRelationalExpression(EsperEPL2GrammarParser.EvalRelationalExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterInSubSelectQuery(EsperEPL2GrammarParser.InSubSelectQueryContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitInSubSelectQuery(EsperEPL2GrammarParser.InSubSelectQueryContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterConcatenationExpr(EsperEPL2GrammarParser.ConcatenationExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitConcatenationExpr(EsperEPL2GrammarParser.ConcatenationExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterAdditiveExpression(EsperEPL2GrammarParser.AdditiveExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitAdditiveExpression(EsperEPL2GrammarParser.AdditiveExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterMultiplyExpression(EsperEPL2GrammarParser.MultiplyExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitMultiplyExpression(EsperEPL2GrammarParser.MultiplyExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterUnaryExpression(EsperEPL2GrammarParser.UnaryExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitUnaryExpression(EsperEPL2GrammarParser.UnaryExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterSubstitutionCanChain(EsperEPL2GrammarParser.SubstitutionCanChainContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitSubstitutionCanChain(EsperEPL2GrammarParser.SubstitutionCanChainContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterChainedFunction(EsperEPL2GrammarParser.ChainedFunctionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitChainedFunction(EsperEPL2GrammarParser.ChainedFunctionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterNewAssign(EsperEPL2GrammarParser.NewAssignContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitNewAssign(EsperEPL2GrammarParser.NewAssignContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterRowSubSelectExpression(EsperEPL2GrammarParser.RowSubSelectExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitRowSubSelectExpression(EsperEPL2GrammarParser.RowSubSelectExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterSubSelectGroupExpression(EsperEPL2GrammarParser.SubSelectGroupExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitSubSelectGroupExpression(EsperEPL2GrammarParser.SubSelectGroupExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterExistsSubSelectExpression(EsperEPL2GrammarParser.ExistsSubSelectExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitExistsSubSelectExpression(EsperEPL2GrammarParser.ExistsSubSelectExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterSubQueryExpr(EsperEPL2GrammarParser.SubQueryExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitSubQueryExpr(EsperEPL2GrammarParser.SubQueryExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterSubSelectFilterExpr(EsperEPL2GrammarParser.SubSelectFilterExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitSubSelectFilterExpr(EsperEPL2GrammarParser.SubSelectFilterExprContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterArrayExpression(EsperEPL2GrammarParser.ArrayExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitArrayExpression(EsperEPL2GrammarParser.ArrayExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterBuiltin_sum(EsperEPL2GrammarParser.Builtin_sumContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitBuiltin_sum(EsperEPL2GrammarParser.Builtin_sumContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterBuiltin_avg(EsperEPL2GrammarParser.Builtin_avgContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitBuiltin_avg(EsperEPL2GrammarParser.Builtin_avgContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterBuiltin_cnt(EsperEPL2GrammarParser.Builtin_cntContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitBuiltin_cnt(EsperEPL2GrammarParser.Builtin_cntContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterBuiltin_median(EsperEPL2GrammarParser.Builtin_medianContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitBuiltin_median(EsperEPL2GrammarParser.Builtin_medianContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterBuiltin_stddev(EsperEPL2GrammarParser.Builtin_stddevContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitBuiltin_stddev(EsperEPL2GrammarParser.Builtin_stddevContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterBuiltin_avedev(EsperEPL2GrammarParser.Builtin_avedevContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitBuiltin_avedev(EsperEPL2GrammarParser.Builtin_avedevContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterBuiltin_firstlastwindow(EsperEPL2GrammarParser.Builtin_firstlastwindowContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitBuiltin_firstlastwindow(EsperEPL2GrammarParser.Builtin_firstlastwindowContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterBuiltin_coalesce(EsperEPL2GrammarParser.Builtin_coalesceContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitBuiltin_coalesce(EsperEPL2GrammarParser.Builtin_coalesceContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterBuiltin_prev(EsperEPL2GrammarParser.Builtin_prevContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitBuiltin_prev(EsperEPL2GrammarParser.Builtin_prevContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterBuiltin_prevtail(EsperEPL2GrammarParser.Builtin_prevtailContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitBuiltin_prevtail(EsperEPL2GrammarParser.Builtin_prevtailContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterBuiltin_prevcount(EsperEPL2GrammarParser.Builtin_prevcountContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitBuiltin_prevcount(EsperEPL2GrammarParser.Builtin_prevcountContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterBuiltin_prevwindow(EsperEPL2GrammarParser.Builtin_prevwindowContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitBuiltin_prevwindow(EsperEPL2GrammarParser.Builtin_prevwindowContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterBuiltin_prior(EsperEPL2GrammarParser.Builtin_priorContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitBuiltin_prior(EsperEPL2GrammarParser.Builtin_priorContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterBuiltin_grouping(EsperEPL2GrammarParser.Builtin_groupingContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitBuiltin_grouping(EsperEPL2GrammarParser.Builtin_groupingContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterBuiltin_groupingid(EsperEPL2GrammarParser.Builtin_groupingidContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitBuiltin_groupingid(EsperEPL2GrammarParser.Builtin_groupingidContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterBuiltin_instanceof(EsperEPL2GrammarParser.Builtin_instanceofContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitBuiltin_instanceof(EsperEPL2GrammarParser.Builtin_instanceofContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterBuiltin_typeof(EsperEPL2GrammarParser.Builtin_typeofContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitBuiltin_typeof(EsperEPL2GrammarParser.Builtin_typeofContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterBuiltin_cast(EsperEPL2GrammarParser.Builtin_castContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitBuiltin_cast(EsperEPL2GrammarParser.Builtin_castContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterBuiltin_exists(EsperEPL2GrammarParser.Builtin_existsContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitBuiltin_exists(EsperEPL2GrammarParser.Builtin_existsContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterBuiltin_currts(EsperEPL2GrammarParser.Builtin_currtsContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitBuiltin_currts(EsperEPL2GrammarParser.Builtin_currtsContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterBuiltin_istream(EsperEPL2GrammarParser.Builtin_istreamContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitBuiltin_istream(EsperEPL2GrammarParser.Builtin_istreamContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterFirstLastWindowAggregation(EsperEPL2GrammarParser.FirstLastWindowAggregationContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitFirstLastWindowAggregation(EsperEPL2GrammarParser.FirstLastWindowAggregationContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterEventPropertyOrLibFunction(EsperEPL2GrammarParser.EventPropertyOrLibFunctionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitEventPropertyOrLibFunction(EsperEPL2GrammarParser.EventPropertyOrLibFunctionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterLibFunction(EsperEPL2GrammarParser.LibFunctionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitLibFunction(EsperEPL2GrammarParser.LibFunctionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterLibFunctionWithClass(EsperEPL2GrammarParser.LibFunctionWithClassContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitLibFunctionWithClass(EsperEPL2GrammarParser.LibFunctionWithClassContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterLibFunctionNoClass(EsperEPL2GrammarParser.LibFunctionNoClassContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitLibFunctionNoClass(EsperEPL2GrammarParser.LibFunctionNoClassContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterFuncIdentTop(EsperEPL2GrammarParser.FuncIdentTopContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitFuncIdentTop(EsperEPL2GrammarParser.FuncIdentTopContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterFuncIdentInner(EsperEPL2GrammarParser.FuncIdentInnerContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitFuncIdentInner(EsperEPL2GrammarParser.FuncIdentInnerContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterFuncIdentChained(EsperEPL2GrammarParser.FuncIdentChainedContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitFuncIdentChained(EsperEPL2GrammarParser.FuncIdentChainedContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterLibFunctionArgs(EsperEPL2GrammarParser.LibFunctionArgsContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitLibFunctionArgs(EsperEPL2GrammarParser.LibFunctionArgsContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterLibFunctionArgItem(EsperEPL2GrammarParser.LibFunctionArgItemContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitLibFunctionArgItem(EsperEPL2GrammarParser.LibFunctionArgItemContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterBetweenList(EsperEPL2GrammarParser.BetweenListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitBetweenList(EsperEPL2GrammarParser.BetweenListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterPatternExpression(EsperEPL2GrammarParser.PatternExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitPatternExpression(EsperEPL2GrammarParser.PatternExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterFollowedByExpression(EsperEPL2GrammarParser.FollowedByExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitFollowedByExpression(EsperEPL2GrammarParser.FollowedByExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterFollowedByRepeat(EsperEPL2GrammarParser.FollowedByRepeatContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitFollowedByRepeat(EsperEPL2GrammarParser.FollowedByRepeatContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterOrExpression(EsperEPL2GrammarParser.OrExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitOrExpression(EsperEPL2GrammarParser.OrExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterAndExpression(EsperEPL2GrammarParser.AndExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitAndExpression(EsperEPL2GrammarParser.AndExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterMatchUntilExpression(EsperEPL2GrammarParser.MatchUntilExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitMatchUntilExpression(EsperEPL2GrammarParser.MatchUntilExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterQualifyExpression(EsperEPL2GrammarParser.QualifyExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitQualifyExpression(EsperEPL2GrammarParser.QualifyExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterGuardPostFix(EsperEPL2GrammarParser.GuardPostFixContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitGuardPostFix(EsperEPL2GrammarParser.GuardPostFixContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterDistinctExpressionList(EsperEPL2GrammarParser.DistinctExpressionListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitDistinctExpressionList(EsperEPL2GrammarParser.DistinctExpressionListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterDistinctExpressionAtom(EsperEPL2GrammarParser.DistinctExpressionAtomContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitDistinctExpressionAtom(EsperEPL2GrammarParser.DistinctExpressionAtomContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterAtomicExpression(EsperEPL2GrammarParser.AtomicExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitAtomicExpression(EsperEPL2GrammarParser.AtomicExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterObserverExpression(EsperEPL2GrammarParser.ObserverExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitObserverExpression(EsperEPL2GrammarParser.ObserverExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterGuardWhereExpression(EsperEPL2GrammarParser.GuardWhereExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitGuardWhereExpression(EsperEPL2GrammarParser.GuardWhereExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterGuardWhileExpression(EsperEPL2GrammarParser.GuardWhileExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitGuardWhileExpression(EsperEPL2GrammarParser.GuardWhileExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterMatchUntilRange(EsperEPL2GrammarParser.MatchUntilRangeContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitMatchUntilRange(EsperEPL2GrammarParser.MatchUntilRangeContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterEventFilterExpression(EsperEPL2GrammarParser.EventFilterExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitEventFilterExpression(EsperEPL2GrammarParser.EventFilterExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterPropertyExpression(EsperEPL2GrammarParser.PropertyExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitPropertyExpression(EsperEPL2GrammarParser.PropertyExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterPropertyExpressionAtomic(EsperEPL2GrammarParser.PropertyExpressionAtomicContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitPropertyExpressionAtomic(EsperEPL2GrammarParser.PropertyExpressionAtomicContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterPropertyExpressionSelect(EsperEPL2GrammarParser.PropertyExpressionSelectContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitPropertyExpressionSelect(EsperEPL2GrammarParser.PropertyExpressionSelectContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterPropertySelectionList(EsperEPL2GrammarParser.PropertySelectionListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitPropertySelectionList(EsperEPL2GrammarParser.PropertySelectionListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterPropertySelectionListElement(EsperEPL2GrammarParser.PropertySelectionListElementContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitPropertySelectionListElement(EsperEPL2GrammarParser.PropertySelectionListElementContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterPropertyStreamSelector(EsperEPL2GrammarParser.PropertyStreamSelectorContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitPropertyStreamSelector(EsperEPL2GrammarParser.PropertyStreamSelectorContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterTypeExpressionAnnotation(EsperEPL2GrammarParser.TypeExpressionAnnotationContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitTypeExpressionAnnotation(EsperEPL2GrammarParser.TypeExpressionAnnotationContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterPatternFilterExpression(EsperEPL2GrammarParser.PatternFilterExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitPatternFilterExpression(EsperEPL2GrammarParser.PatternFilterExpressionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterPatternFilterAnnotation(EsperEPL2GrammarParser.PatternFilterAnnotationContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitPatternFilterAnnotation(EsperEPL2GrammarParser.PatternFilterAnnotationContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterClassIdentifier(EsperEPL2GrammarParser.ClassIdentifierContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitClassIdentifier(EsperEPL2GrammarParser.ClassIdentifierContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterSlashIdentifier(EsperEPL2GrammarParser.SlashIdentifierContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitSlashIdentifier(EsperEPL2GrammarParser.SlashIdentifierContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterExpressionListWithNamed(EsperEPL2GrammarParser.ExpressionListWithNamedContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitExpressionListWithNamed(EsperEPL2GrammarParser.ExpressionListWithNamedContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterExpressionListWithNamedWithTime(EsperEPL2GrammarParser.ExpressionListWithNamedWithTimeContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitExpressionListWithNamedWithTime(EsperEPL2GrammarParser.ExpressionListWithNamedWithTimeContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterExpressionWithNamed(EsperEPL2GrammarParser.ExpressionWithNamedContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitExpressionWithNamed(EsperEPL2GrammarParser.ExpressionWithNamedContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterExpressionWithNamedWithTime(EsperEPL2GrammarParser.ExpressionWithNamedWithTimeContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitExpressionWithNamedWithTime(EsperEPL2GrammarParser.ExpressionWithNamedWithTimeContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterExpressionNamedParameter(EsperEPL2GrammarParser.ExpressionNamedParameterContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitExpressionNamedParameter(EsperEPL2GrammarParser.ExpressionNamedParameterContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterExpressionNamedParameterWithTime(EsperEPL2GrammarParser.ExpressionNamedParameterWithTimeContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitExpressionNamedParameterWithTime(EsperEPL2GrammarParser.ExpressionNamedParameterWithTimeContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterExpressionList(EsperEPL2GrammarParser.ExpressionListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitExpressionList(EsperEPL2GrammarParser.ExpressionListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterExpressionWithTimeList(EsperEPL2GrammarParser.ExpressionWithTimeListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitExpressionWithTimeList(EsperEPL2GrammarParser.ExpressionWithTimeListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterExpressionWithTime(EsperEPL2GrammarParser.ExpressionWithTimeContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitExpressionWithTime(EsperEPL2GrammarParser.ExpressionWithTimeContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterExpressionWithTimeInclLast(EsperEPL2GrammarParser.ExpressionWithTimeInclLastContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitExpressionWithTimeInclLast(EsperEPL2GrammarParser.ExpressionWithTimeInclLastContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterExpressionQualifyable(EsperEPL2GrammarParser.ExpressionQualifyableContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitExpressionQualifyable(EsperEPL2GrammarParser.ExpressionQualifyableContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterLastWeekdayOperand(EsperEPL2GrammarParser.LastWeekdayOperandContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitLastWeekdayOperand(EsperEPL2GrammarParser.LastWeekdayOperandContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterLastOperand(EsperEPL2GrammarParser.LastOperandContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitLastOperand(EsperEPL2GrammarParser.LastOperandContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterFrequencyOperand(EsperEPL2GrammarParser.FrequencyOperandContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitFrequencyOperand(EsperEPL2GrammarParser.FrequencyOperandContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterRangeOperand(EsperEPL2GrammarParser.RangeOperandContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitRangeOperand(EsperEPL2GrammarParser.RangeOperandContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterLastOperator(EsperEPL2GrammarParser.LastOperatorContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitLastOperator(EsperEPL2GrammarParser.LastOperatorContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterWeekDayOperator(EsperEPL2GrammarParser.WeekDayOperatorContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitWeekDayOperator(EsperEPL2GrammarParser.WeekDayOperatorContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterNumericParameterList(EsperEPL2GrammarParser.NumericParameterListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitNumericParameterList(EsperEPL2GrammarParser.NumericParameterListContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterNumericListParameter(EsperEPL2GrammarParser.NumericListParameterContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitNumericListParameter(EsperEPL2GrammarParser.NumericListParameterContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterEventProperty(EsperEPL2GrammarParser.EventPropertyContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitEventProperty(EsperEPL2GrammarParser.EventPropertyContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterEventPropertyAtomic(EsperEPL2GrammarParser.EventPropertyAtomicContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitEventPropertyAtomic(EsperEPL2GrammarParser.EventPropertyAtomicContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterEventPropertyIdent(EsperEPL2GrammarParser.EventPropertyIdentContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitEventPropertyIdent(EsperEPL2GrammarParser.EventPropertyIdentContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterKeywordAllowedIdent(EsperEPL2GrammarParser.KeywordAllowedIdentContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitKeywordAllowedIdent(EsperEPL2GrammarParser.KeywordAllowedIdentContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterEscapableStr(EsperEPL2GrammarParser.EscapableStrContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitEscapableStr(EsperEPL2GrammarParser.EscapableStrContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterEscapableIdent(EsperEPL2GrammarParser.EscapableIdentContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitEscapableIdent(EsperEPL2GrammarParser.EscapableIdentContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterTimePeriod(EsperEPL2GrammarParser.TimePeriodContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitTimePeriod(EsperEPL2GrammarParser.TimePeriodContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterYearPart(EsperEPL2GrammarParser.YearPartContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitYearPart(EsperEPL2GrammarParser.YearPartContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterMonthPart(EsperEPL2GrammarParser.MonthPartContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitMonthPart(EsperEPL2GrammarParser.MonthPartContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterWeekPart(EsperEPL2GrammarParser.WeekPartContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitWeekPart(EsperEPL2GrammarParser.WeekPartContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterDayPart(EsperEPL2GrammarParser.DayPartContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitDayPart(EsperEPL2GrammarParser.DayPartContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterHourPart(EsperEPL2GrammarParser.HourPartContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitHourPart(EsperEPL2GrammarParser.HourPartContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterMinutePart(EsperEPL2GrammarParser.MinutePartContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitMinutePart(EsperEPL2GrammarParser.MinutePartContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterSecondPart(EsperEPL2GrammarParser.SecondPartContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitSecondPart(EsperEPL2GrammarParser.SecondPartContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterMillisecondPart(EsperEPL2GrammarParser.MillisecondPartContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitMillisecondPart(EsperEPL2GrammarParser.MillisecondPartContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterMicrosecondPart(EsperEPL2GrammarParser.MicrosecondPartContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitMicrosecondPart(EsperEPL2GrammarParser.MicrosecondPartContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterNumber(EsperEPL2GrammarParser.NumberContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitNumber(EsperEPL2GrammarParser.NumberContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterSubstitution(EsperEPL2GrammarParser.SubstitutionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitSubstitution(EsperEPL2GrammarParser.SubstitutionContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterConstant(EsperEPL2GrammarParser.ConstantContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitConstant(EsperEPL2GrammarParser.ConstantContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterNumberconstant(EsperEPL2GrammarParser.NumberconstantContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitNumberconstant(EsperEPL2GrammarParser.NumberconstantContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterStringconstant(EsperEPL2GrammarParser.StringconstantContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitStringconstant(EsperEPL2GrammarParser.StringconstantContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterJsonvalue(EsperEPL2GrammarParser.JsonvalueContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitJsonvalue(EsperEPL2GrammarParser.JsonvalueContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterJsonobject(EsperEPL2GrammarParser.JsonobjectContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitJsonobject(EsperEPL2GrammarParser.JsonobjectContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterJsonarray(EsperEPL2GrammarParser.JsonarrayContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitJsonarray(EsperEPL2GrammarParser.JsonarrayContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterJsonelements(EsperEPL2GrammarParser.JsonelementsContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitJsonelements(EsperEPL2GrammarParser.JsonelementsContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterJsonmembers(EsperEPL2GrammarParser.JsonmembersContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitJsonmembers(EsperEPL2GrammarParser.JsonmembersContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterJsonpair(EsperEPL2GrammarParser.JsonpairContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitJsonpair(EsperEPL2GrammarParser.JsonpairContext ctx) { }

	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void enterEveryRule(ParserRuleContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void exitEveryRule(ParserRuleContext ctx) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void visitTerminal(TerminalNode node) { }
	/**
	 * {@inheritDoc}
	 *
	 * <p>The default implementation does nothing.</p>
	 */
	@Override public void visitErrorNode(ErrorNode node) { }
}