code: function getPart(name, fileContent, options) {
      if (!name || !options) { throw new Error('name and options are required.'); }
  
      var parts       = fileContent.match(getRegularExpression(name));
  
      if ( parts ) {           // Aranan bölüm varsa
          var fileContentDigest = calculateMD5(parts[3], options);
          return {
              all         : parts[0],
              startLine   : parts[1],
              warningLine : parts[2],
              content     : parts[3],
              md5Line     : parts[4],
              oldDigest   : parts[5],
              newDigest   : fileContentDigest,
              isChanged   : fileContentDigest != parts[5],
              endLine     : parts[6]
          }
      }
      else {
          return null;
      }
  }
docs: Finds auto generated part and returns an object which contains information about auto generated part.
  If auto part with requested name cannot be found, it returns null.
  @private
  @param name - Name of the auto generated part.
  @param fileContent - content of the file which part is searched in.
  @param {genOptions} options - Options how part is generated.
  @returns {partInfo|null} - Object which contains info about auto generated part.