@NotNull
  private Map<String, Variable> parseVariables() {
    Map<String,Variable> map = TemplateImplUtil.parseVariables(myTemplateEditor.getDocument().getCharsSequence());
    map.keySet().removeAll(TemplateImpl.INTERNAL_VARS_SET);
    return map;
  }
@NotNull
  private Map<String, Variable> parseVariables()