void Build ( const [FBuildKey](API\Developer\DerivedDataCache\FBuildKey) & Key, const [FBuildPolicy](API\Developer\DerivedDataCache\FBuildPolicy) & Policy, [IRequestOwner](API\Developer\DerivedDataCache\IRequestOwner) & Owner, [FOnBuildComplete](API\Developer\DerivedDataCache\FOnBuildComplete) && OnComplete )