protected void appendPrefix(@NotNull final PsiElement element,
                              @NotNull final String text,
                              @NotNull final StringBuilder stringBuilder) {
    final String prefix = getPrefix(element);
    if (text.startsWith(prefix.trim()))
      stringBuilder.append(prefix);
  }
protected void appendPrefix(@NotNull final PsiElement element,
                              @NotNull final String text,
                              @NotNull final StringBuilder stringBuilder)