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• ExpressionOwner.java

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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Copyright (c) 2018-2022 Saxonica Limited
// This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
// If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
// This Source Code Form is "Incompatible With Secondary Licenses", as defined by the Mozilla Public License, v. 2.0.
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

package net.sf.saxon.expr;

/**
 * Abstraction representing any class that can act as the container
 * for an expression: either an Operand of a parent expression, or a
 * top-level construct such as a function or template or XQuery expression
 */

public interface ExpressionOwner {

    Expression getChildExpression();

    void setChildExpression(Expression expr);

}