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.api;
  
  /**
   * A block of text from an input file that does not necessarily
   * have any grammatical structure.
   *
   */
  public interface TextBlock {
  
      /**
       * The text content of the text block.
       * Each line is represented by one array entry.
       * The linebreak characters are not part of the text content.
       *
       * @return the text content of the text block.
       */
      String[] getText();
  
      /**
       * The line in the input file where the text block starts.
       * Counting starts from 1.
       *
       * @return first line of the text block
       */
      int getStartLineNo();
  
      /**
       * The last line of the text block in the input file.
       * Counting starts from 1.
       *
       * @return last line of the text block
       */
      int getEndLineNo();
  
      /**
       * The column in the input file where the text block starts.
       * Counting starts from 0.
       *
       * @return first line of the text block
       */
      int getStartColNo();
  
      /**
       * The column in the input file where the text block ends.
       * Counting starts from 0.
       *
       * @return last line of the text block
       */
      int getEndColNo();
  
      /**
       * Checks if this comment intersects with a specified
       * part of the file.
       *
       * @param startLineNo the starting line number in the file
       * @param startColNo the starting column number in the file
       * @param endLineNo the ending line number in the file
       * @param endColNo the ending column number in the file
       * @return true if the positions intersects with this comment.
       */
      boolean intersects(int startLineNo, int startColNo,
                         int endLineNo, int endColNo);
  
  }
  