/*
 *  Copyright (c) 2012 Sam Harwell, Tunnel Vision Laboratories LLC
 *  All rights reserved.
 * 
 *  The source code of this document is proprietary work, and is not licensed for
 *  distribution. For information about licensing, contact Sam Harwell at:
 *      sam@tunnelvisionlabs.com
 */
package org.antlr.works.editor.antlr4.navigation;

import org.antlr.netbeans.editor.text.OffsetRegion;
import org.netbeans.api.annotations.common.CheckForNull;

/**
 *
 * @author Sam Harwell
 */
public interface OffsetProvider {

    @CheckForNull
    OffsetRegion getSeek();

    @CheckForNull
    OffsetRegion getSpan();

    @CheckForNull
    OffsetRegion getEmphasis();

}