AsBool returns the parameter as a bool or panics if it can't convert.

AsFloat returns the parameter as a float64 or panics if it can't convert.

AsInt returns the parameter as a int64 or panics if it can't convert.

AsUint returns the parameter as a uint64 or panics if it can't convert.

HasValue is the validation function for validating if the current field's value is not the default static value.