@NotNull
  public String buildContent(@NotNull String indentation, boolean indentFirst) {
    final StringBuilder result = new StringBuilder();
    boolean first = true;
    for (String line : myLines) {
      if (!first) {
        result.append('\n');
      }
      // Do not add indentation for empty lines
      if (!StringUtil.isEmptyOrSpaces(line)) {
        if (!first || indentFirst) {
          result.append(indentation);
        }
        result.append(line);
      }
      first = false;
    }
    return result.toString();
  }
@NotNull
  public String buildContent(@NotNull String indentation, boolean indentFirst)