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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.document.select;
import com.yahoo.document.select.rule.ArithmeticNode;
import com.yahoo.document.select.rule.AttributeNode;
import com.yahoo.document.select.rule.ComparisonNode;
import com.yahoo.document.select.rule.DocumentNode;
import com.yahoo.document.select.rule.DocumentTypeNode;
import com.yahoo.document.select.rule.EmbracedNode;
import com.yahoo.document.select.rule.IdNode;
import com.yahoo.document.select.rule.LiteralNode;
import com.yahoo.document.select.rule.LogicNode;
import com.yahoo.document.select.rule.NegationNode;
import com.yahoo.document.select.rule.NowNode;
import com.yahoo.document.select.rule.VariableNode;
/**
* A visitor of the document selection tree.
*
* @author Ulf Lilleengen
*/
public interface Visitor {
void visit(ArithmeticNode node);
void visit(AttributeNode node);
void visit(ComparisonNode node);
void visit(DocumentNode node);
void visit(DocumentTypeNode node);
void visit(EmbracedNode node);
void visit(IdNode node);
void visit(LiteralNode node);
void visit(LogicNode node);
void visit(NegationNode node);
void visit(NowNode node);
void visit(VariableNode node);
}
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