const char * const MASK_CONTENT_SCALE_NAME("maskContentScale");
const char * const CROP_TO_MASK_NAME("cropToMask");
const char * const LOAD_POLICY_NAME("loadPolicy");
const char * const RELEASE_POLICY_NAME("releasePolicy");
const char * const ORIENTATION_CORRECTION_NAME("orientationCorrection");
const char * const MASK_CONTENT_SCALE_NAME("maskContentScale");
const char * const CROP_TO_MASK_NAME("cropToMask");
const char * const LOAD_POLICY_NAME("loadPolicy");
const char * const RELEASE_POLICY_NAME("releasePolicy");
const char * const ORIENTATION_CORRECTION_NAME("orientationCorrection");