@Override
    public @NotNull LocalQuickFix @Nullable [] getQuickFixes() {
      final XmlAttributeValue valueElement = myAttribute.getValueElement();
      if (valueElement != null) {
        return new LocalQuickFix[] {
          new CreateNSDeclarationIntentionFix(valueElement, getCanonicalText()) {
            @Override
            public boolean showHint(@NotNull Editor editor) {
              return false;
            }
          }
        };
      }
      return LocalQuickFix.EMPTY_ARRAY;
    }
@Override
    public @NotNull LocalQuickFix @Nullable [] getQuickFixes()