@NotNull
  private static PsiFile createTempFile(@NotNull Project project, @NotNull String contents) {
    return PsiFileFactory.getInstance(project).createFileFromText("dummy_file." + ShFileType.INSTANCE.getDefaultExtension(),
                                                                  ShFileType.INSTANCE, contents);
  }
@NotNull
  private static PsiFile createTempFile(@NotNull Project project, @NotNull String contents)