@:value(cast 0)@:enum@:implinlineread onlyAdd:BlendOperation = 0
@:value(cast 1)@:enum@:implinlineread onlySubtract:BlendOperation = 1
@:value(cast 2)@:enum@:implinlineread onlyReverseSubtract:BlendOperation = 2
@:value(cast 3)@:enum@:implinlineread onlyMin:BlendOperation = 3
@:value(cast 4)@:enum@:implinlineread onlyMax:BlendOperation = 4