@SuppressWarnings({"HardCodedStringLiteral", "DialogTitleCapitalization"})
  public void registerPossibleProblem(PsiElement identifier) {
    registerProblem(identifier, "possible problem", ProblemHighlightType.POSSIBLE_PROBLEM);
  }
@SuppressWarnings({"HardCodedStringLiteral", "DialogTitleCapitalization"})
  public void registerPossibleProblem(PsiElement identifier)