public static void installCompletion(@NotNull Document document,
                                       @NotNull Project project,
                                       @NotNull TextFieldWithAutoCompletionListProvider provider,
                                       boolean autoPopup) {
    PsiFile psiFile = PsiDocumentManager.getInstance(project).getPsiFile(document);
    if (psiFile != null) {
      TextCompletionUtil.installProvider(psiFile, provider, autoPopup);
    }
  }
public static void installCompletion(@NotNull Document document,
                                       @NotNull Project project,
                                       @NotNull TextFieldWithAutoCompletionListProvider provider,
                                       boolean autoPopup)