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;
  
  /**
   * Represents the custom property type used in documentation and configuration files.
   */
  public enum PropertyType {
  
      /** This property is a file. */
      FILE("File"),
  
      /** This property is a string represents an ISO 3166 2-letter code. */
      LOCALE_COUNTRY("String (either the empty string or an uppercase ISO 3166 2-letter code)"),
  
      /** This property is a string represents an ISO 639 code. */
      LOCALE_LANGUAGE("String (either the empty string or a lowercase ISO 639 code)"),
  
      /** This property is a regular expression pattern. */
      PATTERN("Pattern"),
  
      /** This property is a string. */
      STRING("String"),
  
      /** This property is a set of tokens. */
      TOKEN_ARRAY("subset of tokens TokenTypes");
  
      /** The human-readable property description. */
      private final String description;
  
      /**
       * Creates a new {@code PropertyType} instance.
       *
       * @param description the human-readable property description
       */
      PropertyType(String description) {
          this.description = description;
      }
  
      /**
       * Returns the human-readable property description.
       *
       * @return human-readable property description
       */
      public String getDescription() {
          return description;
      }
  
  }
  