protected Map<String, String> getPredefinedVars(@Nullable DomElement parentDomElement,
                                                  @Nullable T t,
                                                  @NotNull Editor editor,
                                                  @NotNull PsiFile file) {
    return createNamespacePrefixMap(parentDomElement);
  }
protected Map<String, String> getPredefinedVars(@Nullable DomElement parentDomElement,
                                                  @Nullable T t,
                                                  @NotNull Editor editor,
                                                  @NotNull PsiFile file)