func DeserializeNonNegativeInteger(this interface{}) (int, error) {
	if i, ok := this.(float64); ok {
		n := int(i)
		if n >= 0 {
			return n, nil
		} else {
			return 0, fmt.Errorf("%v is a negative integer for xsd:nonNegativeInteger", this)
		}
	} else {
		return 0, fmt.Errorf("%v cannot be interpreted as a float for xsd:nonNegativeInteger", this)
	}
}
DeserializeNonNegativeInteger creates nonNegativeInteger value from an
interface representation that has been unmarshalled from a text or binary
format.
package nonnegativeinteger
import "fmt"
func SerializeNonNegativeInteger(this int) (interface{}, error) {
	return this, nil
}