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 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
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 *
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package com.oracle.truffle.api.nodes.instrument;

/**
 * Marker interface for all Truffle <strong>instrumentation nodes</strong>: nodes that are do not
 * appear in Truffle ASTs as part of a language's execution semantics.
 * <p>
 * In documentation related to instrumentation nodes, these are distinguished by referring to all
 * other nodes (i.e. ones that <em>do</em> implement language semantics) as <em>AST nodes</em>.
 */
public interface InstrumentationNode {

}