MemberAccessors(IParameterizedSource <IMember, IMemberAccess> accessors,
IParameterizedSource <IMember, IMemberAccess> @readonly)
: base(@readonly.If(ReadOnlyCollectionSpecification.Default)
.Let(new DelegatedSpecification <IMember>(x => x.IsWritable),
AlteredValueSpecification <IMemberAccess> .Default, accessors))
{
}