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diff --git a/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/pattern/ParseTreeMatch.h b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/pattern/ParseTreeMatch.h
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+++ b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/pattern/ParseTreeMatch.h
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+/* Copyright (c) 2012-2017 The ANTLR Project. All rights reserved.
+ * Use of this file is governed by the BSD 3-clause license that
+ * can be found in the LICENSE.txt file in the project root.
+ */
+
+#pragma once
+
+#include "antlr4-common.h"
+
+namespace antlr4 {
+namespace tree {
+namespace pattern {
+
+  /// Represents the result of matching a ParseTree against a tree pattern.
+  class ANTLR4CPP_PUBLIC ParseTreeMatch {
+  private:
+    /// This is the backing field for getTree().
+    ParseTree *_tree;
+
+    /// This is the backing field for getPattern().
+    const ParseTreePattern &_pattern;
+
+    /// This is the backing field for getLabels().
+    std::map<std::string, std::vector<ParseTree *>> _labels;
+
+    /// This is the backing field for getMismatchedNode().
+    ParseTree *_mismatchedNode;
+
+  public:
+    /// <summary>
+    /// Constructs a new instance of <seealso cref="ParseTreeMatch"/> from the specified
+    /// parse tree and pattern.
+    /// </summary>
+    /// <param name="tree"> The parse tree to match against the pattern. </param>
+    /// <param name="pattern"> The parse tree pattern. </param>
+    /// <param name="labels"> A mapping from label names to collections of
+    /// <seealso cref="ParseTree"/> objects located by the tree pattern matching process. </param>
+    /// <param name="mismatchedNode"> The first node which failed to match the tree
+    /// pattern during the matching process.
+    /// </param>
+    /// <exception cref="IllegalArgumentException"> if {@code tree} is {@code null} </exception>
+    /// <exception cref="IllegalArgumentException"> if {@code pattern} is {@code null} </exception>
+    /// <exception cref="IllegalArgumentException"> if {@code labels} is {@code null} </exception>
+    ParseTreeMatch(ParseTree *tree, ParseTreePattern const& pattern,
+                   const std::map<std::string, std::vector<ParseTree *>> &labels, ParseTree *mismatchedNode);
+    ParseTreeMatch(ParseTreeMatch const&) = default;
+    virtual ~ParseTreeMatch();
+
+    /// <summary>
+    /// Get the last node associated with a specific {@code label}.
+    /// <p/>
+    /// For example, for pattern {@code <id:ID>}, {@code get("id")} returns the
+    /// node matched for that {@code ID}. If more than one node
+    /// matched the specified label, only the last is returned. If there is
+    /// no node associated with the label, this returns {@code null}.
+    /// <p/>
+    /// Pattern tags like {@code <ID>} and {@code <expr>} without labels are
+    /// considered to be labeled with {@code ID} and {@code expr}, respectively.
+    /// </summary>
+    /// <param name="labe"> The label to check.
+    /// </param>
+    /// <returns> The last <seealso cref="ParseTree"/> to match a tag with the specified
+    /// label, or {@code null} if no parse tree matched a tag with the label. </returns>
+    virtual ParseTree* get(const std::string &label);
+
+    /// <summary>
+    /// Return all nodes matching a rule or token tag with the specified label.
+    /// <p/>
+    /// If the {@code label} is the name of a parser rule or token in the
+    /// grammar, the resulting list will contain both the parse trees matching
+    /// rule or tags explicitly labeled with the label and the complete set of
+    /// parse trees matching the labeled and unlabeled tags in the pattern for
+    /// the parser rule or token. For example, if {@code label} is {@code "foo"},
+    /// the result will contain <em>all</em> of the following.
+    ///
+    /// <ul>
+    /// <li>Parse tree nodes matching tags of the form {@code <foo:anyRuleName>} and
+    /// {@code <foo:AnyTokenName>}.</li>
+    /// <li>Parse tree nodes matching tags of the form {@code <anyLabel:foo>}.</li>
+    /// <li>Parse tree nodes matching tags of the form {@code <foo>}.</li>
+    /// </ul>
+    /// </summary>
+    /// <param name="labe"> The label.
+    /// </param>
+    /// <returns> A collection of all <seealso cref="ParseTree"/> nodes matching tags with
+    /// the specified {@code label}. If no nodes matched the label, an empty list
+    /// is returned. </returns>
+    virtual std::vector<ParseTree *> getAll(const std::string &label);
+
+    /// <summary>
+    /// Return a mapping from label &rarr; [list of nodes].
+    /// <p/>
+    /// The map includes special entries corresponding to the names of rules and
+    /// tokens referenced in tags in the original pattern. For additional
+    /// information, see the description of <seealso cref="#getAll(String)"/>.
+    /// </summary>
+    /// <returns> A mapping from labels to parse tree nodes. If the parse tree
+    /// pattern did not contain any rule or token tags, this map will be empty. </returns>
+    virtual std::map<std::string, std::vector<ParseTree *>>& getLabels();
+
+    /// <summary>
+    /// Get the node at which we first detected a mismatch.
+    /// </summary>
+    /// <returns> the node at which we first detected a mismatch, or {@code null}
+    /// if the match was successful. </returns>
+    virtual ParseTree* getMismatchedNode();
+
+    /// <summary>
+    /// Gets a value indicating whether the match operation succeeded.
+    /// </summary>
+    /// <returns> {@code true} if the match operation succeeded; otherwise,
+    /// {@code false}. </returns>
+    virtual bool succeeded();
+
+    /// <summary>
+    /// Get the tree pattern we are matching against.
+    /// </summary>
+    /// <returns> The tree pattern we are matching against. </returns>
+    virtual const ParseTreePattern& getPattern();
+
+    /// <summary>
+    /// Get the parse tree we are trying to match to a pattern.
+    /// </summary>
+    /// <returns> The <seealso cref="ParseTree"/> we are trying to match to a pattern. </returns>
+    virtual ParseTree* getTree();
+
+    virtual std::string toString();
+  };
+
+} // namespace pattern
+} // namespace tree
+} // namespace antlr4