@Override
  public @NotNull String getCanonicalText() {
    final String text = myElement.getText();
    String name = myRange.getEndOffset() <= text.length() ? myRange.substring(text) : "";
    if (!name.isEmpty() && nsPrefix != null && !nsPrefix.isEmpty()) {
      name = nsPrefix + ":" + name;
    }
    return name;
  }
@Override
  public @NotNull String getCanonicalText()