const (
    EndpointTypesElementPush            ChannelType = ChannelType(SDK.EndpointTypesElementPush)
    EndpointTypesElementGCM             ChannelType = ChannelType(SDK.EndpointTypesElementGcm)
    EndpointTypesElementAPNs            ChannelType = ChannelType(SDK.EndpointTypesElementApns)
    EndpointTypesElementAPNsSandbox     ChannelType = ChannelType(SDK.EndpointTypesElementApnsSandbox)