code: public String getText(String indentation, char indentationChar) {
  
          newCode = FormatterHelper.indent(
                  newNode.getPrettySource(indentationChar, indentationLevel, indentationSize, acceptedComments),
                  indentation, indentationChar, indentationLevel, indentationSize, requiresExtraIndentationOnFirstLine());
  
          return newCode;
      }
docs: Returns the new text to insert with the appropriate indentation and comments
  
  @param indentation
  the existing indentation at the file. It never should be null and it is needed for
  files that mix tabs and spaces in the same line.
  @param indentationChar
  the used indentation char (' ', or '\t')
  @return the new text that replaces the existing one