@Nullable
  private PsiParameter findNullableSuperForNotNullParameter(PsiParameter parameter, List<? extends PsiParameter> superParameters) {
    return REPORT_NOTNULL_PARAMETER_OVERRIDES_NULLABLE && isNotNullNotInferred(parameter, false, false)
           ? ContainerUtil.find(superParameters, sp -> isNullableNotInferred(sp, false))
           : null;
  }
@Nullable
  private PsiParameter findNullableSuperForNotNullParameter(PsiParameter parameter, List<? extends PsiParameter> superParameters)