FMutableTextureMipDataProvider ( const [UTexture](API\Runtime\Engine\Engine\UTexture) * Texture, [UCustomizableObjectInstance](API\Plugins\CustomizableObject\MuCO\UCustomizableObjectInstance) * InCustomizableObjectInstance, const [FMutableImageReference](API\Plugins\CustomizableObject\MuCO\FMutableImageReference) & InImageRef )