private boolean isNullableAnnotation(Name simpleName, Name qualifiedName) {
    return qualifiedName.contentEquals(Annotations.JAVAX_CHECK_FOR_NULL)
        || qualifiedName.contentEquals(Annotations.JAVAX_NULLABLE)
        || qualifiedName.contentEquals(Annotations.JAKARTA_CHECK_FOR_NULL)
        || qualifiedName.contentEquals(Annotations.JAKARTA_NULLABLE)
        || simpleName.contentEquals(containingType.names().nullableAnnotation);
  }
Initialized Validates things that were not validated otherwise
@param instantiationCreator can instantiate encodings
value-processor/src/org/immutables/value/processor/meta/ValueAttribute.java