public @NotNull PsiFile createDummyFile(@NotNull String content) {
    var psiFileFactory = PsiFileFactory.getInstance(myProject);
    return psiFileFactory.createFileFromText("dummy." + JsonPathFileType.INSTANCE.getDefaultExtension(),
                                             JsonPathFileType.INSTANCE,
                                             content);
  }
public @NotNull PsiFile createDummyFile(@NotNull String content)