private static NullabilityProblem<PsiElement> createUnboxingProblem(@NotNull PsiExpression context,
                                                                      @NotNull PsiExpression expression) {
    if (!TypeConversionUtil.isPrimitiveWrapper(context.getType())) return null;
    return unboxingNullable.problem(context, expression);
  }
private static NullabilityProblem<PsiElement> createUnboxingProblem(@NotNull PsiExpression context,
                                                                      @NotNull PsiExpression expression)