public ZoneUnaryCallback registerUnaryCallback(Zone zone, ZoneUnaryCallback f)
{
var implementation = _delegationTarget._registerUnaryCallback;
_Zone implZone = implementation.zone;
RegisterUnaryCallbackHandler handler = implementation.function;
return(handler(implZone, async_._parentDelegate(implZone), zone, f));
}
internal _RegisterUnaryZoneFunction(_Zone zone, RegisterUnaryCallbackHandler function)
{
this.zone = zone;
this.function = function;
}
