@NotNull
  private static Collection<PsiMethod> createFieldWithers(@NotNull PsiClass psiClass,
                                                          @NotNull String methodModifier,
                                                          @NotNull AccessorsInfo accessors) {
    Collection<PsiMethod> result = new ArrayList<>();

    final Collection<PsiField> witherFields = getWitherFields(psiClass);

    for (PsiField witherField : witherFields) {
      PsiMethod method = getWitherFieldProcessor().createWitherMethod(witherField, methodModifier, accessors);
      if (method != null) {
        result.add(method);
      }
    }

    return result;
  }
@NotNull
  private static Collection<PsiMethod> createFieldWithers(@NotNull PsiClass psiClass,
                                                          @NotNull String methodModifier,
                                                          @NotNull AccessorsInfo accessors)