@Override
  public String getHelpId(@NotNull PsiElement psiElement) {
    if (psiElement instanceof PyClass) {
      return "reference.dialogs.findUsages.class";
    }
    if (psiElement instanceof PyFunction) {
      return "reference.dialogs.findUsages.method";
    }
    if (psiElement instanceof PyReferenceExpression || psiElement instanceof PyTargetExpression || psiElement instanceof PyParameter) {
      return "reference.dialogs.findUsages.variable";
    }
    return null;
  }
@Override
  public String getHelpId(@NotNull PsiElement psiElement)