package org.quaere.dsl; import org.quaere.expressions.Expression; import java.util.Comparator; public interface GroupClauseBuilder<R> { QueryContinuationBuider<R> by(String expression); QueryContinuationBuider<R> by(String expression, Comparator comparator); QueryContinuationBuider<R> by(Expression expression); QueryContinuationBuider<R> by(Expression expression, Comparator comparator); }