/** {@inheritDoc} */
 @Override
 public E isDate() {
   return AssertionsOnValueType.isDate(myself, info, value);
 }
 /** {@inheritDoc} */
 @Override
 public E isOfAnyTypeIn(ValueType... expected) {
   return AssertionsOnValueType.isOfAnyTypeIn(myself, info, value, expected);
 }
 /** {@inheritDoc} */
 @Override
 public E isBoolean() {
   return AssertionsOnValueType.isBoolean(myself, info, value);
 }
 /** {@inheritDoc} */
 @Override
 public E isOfType(ValueType expected) {
   return AssertionsOnValueType.isOfType(myself, info, value, expected);
 }