code: ///////////////////////////////////////////////////////////////////////////////////////////////
  // checkstyle: Checks Java source code and other text files for adherence to a set of rules.
  // Copyright (C) 2001-2023 the original author or authors.
  //
  // This library is free software; you can redistribute it and/or
  // modify it under the terms of the GNU Lesser General Public
  // License as published by the Free Software Foundation; either
  // version 2.1 of the License, or (at your option) any later version.
  //
  // This library 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
  // Lesser General Public License for more details.
  //
  // You should have received a copy of the GNU Lesser General Public
  // License along with this library; if not, write to the Free Software
  // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  ///////////////////////////////////////////////////////////////////////////////////////////////
  
  package com.puppycrawl.tools.checkstyle;
  
  import java.util.Set;
  
  /**
   * Contains constant definitions common to the package.
   **/
  public final class Definitions {
  
      /** Name of resource bundle for Checkstyle. */
      public static final String CHECKSTYLE_BUNDLE =
              "com.puppycrawl.tools.checkstyle.messages";
  
      /** Name of modules which are not checks, but are internal modules. */
      public static final Set<String> INTERNAL_MODULES = Set.of(
                      "com.puppycrawl.tools.checkstyle.meta.JavadocMetadataScraper");
  
      /**
       * Do no allow {@code Definitions} instances to be created.
       **/
      private Definitions() {
      }
  
  }
  