virtual void ModifyPoseFromDeltaRotation ( [FComponentSpacePoseContext](API\Runtime\Engine\Animation\FComponentSpacePoseContext) & Output, [TArray](API\Runtime\Core\Containers\TArray)< [FBoneTransform](API\Runtime\Engine\FBoneTransform) > & OutBoneTransforms, FTransform & InOutBoneToModifyTransform, const FQuat & DeltaRotation )