void (@NotNull YAMLValue value, @NotNull ProblemsHolder problemsHolder) { super.validateValue(value, problemsHolder); if (value instanceof YAMLScalar && !YamlMetaUtil.isNull(value)) { problemsHolder.registerProblem(value, YAMLBundle.message("YamlMetaClass.error.scalar.value", ArrayUtil.EMPTY_OBJECT_ARRAY)); } }