@Override
  public @NotNull IntentionPreviewInfo generatePreview(@NotNull Project project, @NotNull Editor editor, @NotNull PsiFile file) {
    return new IntentionPreviewInfo.CustomDiff(GroovyFileType.GROOVY_FILE_TYPE, "Dynamic namespace", "", "Object " + myReferenceExpression.getReferenceName() + "()");
  }
@Override
  public @NotNull IntentionPreviewInfo generatePreview(@NotNull Project project, @NotNull Editor editor, @NotNull PsiFile file)