code: public static boolean isValidatorAnnotation(Class<?> annoType) { // as utility
          final String annoName = annoType.getName();
          return Srl.startsWith(annoName, JAVAX_CONSTRAINTS_PKG, HIBERNATE_CONSTRAINTS_PKG) // normal annotations
                  || isNestedBeanAnnotation(annoType) // has validation nested bean
                  || isLastaPresentsAnnotation(annoType); // LastaFlute provides
      }
docs: ========================