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1   ///////////////////////////////////////////////////////////////////////////////////////////////
2   // checkstyle: Checks Java source code and other text files for adherence to a set of rules.
3   // Copyright (C) 2001-2024 the original author or authors.
4   //
5   // This library is free software; you can redistribute it and/or
6   // modify it under the terms of the GNU Lesser General Public
7   // License as published by the Free Software Foundation; either
8   // version 2.1 of the License, or (at your option) any later version.
9   //
10  // This library is distributed in the hope that it will be useful,
11  // but WITHOUT ANY WARRANTY; without even the implied warranty of
12  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  // Lesser General Public License for more details.
14  //
15  // You should have received a copy of the GNU Lesser General Public
16  // License along with this library; if not, write to the Free Software
17  // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
18  ///////////////////////////////////////////////////////////////////////////////////////////////
19  
20  package com.puppycrawl.tools.checkstyle;
21  
22  /**
23   * An interface for filtering {@code TreeWalkerAuditEvent}.
24   *
25   */
26  @FunctionalInterface
27  public interface TreeWalkerFilter {
28  
29      /**
30       * Determines whether or not a filtered {@code TreeWalkerAuditEvent} is accepted.
31       *
32       * @param treeWalkerAuditEvent the TreeWalkerAuditEvent to filter.
33       * @return true if the event is accepted.
34       */
35      boolean accept(TreeWalkerAuditEvent treeWalkerAuditEvent);
36  
37  }