type Executable interface {
	shouldRetry() // retries depending on response status code
	makeRequest() interface{} // builds the grpc body
	getMethod(*_Channel) _Method // get the grpc method
}

type Channel struct {
        // these are protobuf defined grpc servies and each one has specific methods
	crypto      services.CryptoServiceClient
	file        services.FileServiceClient
	contract    services.SmartContractServiceClient
	topic       services.ConsensusServiceClient
	freeze      services.FreezeServiceClient
	network     services.NetworkServiceClient
	token       services.TokenServiceClient
	schedule    services.ScheduleServiceClient
	util        services.UtilServiceClient
	addressBook services.AddressBookServiceClient
	client      *grpc.ClientConn
}

func (q *AccountInfoQuery) getMethod(channel *_Channel) _Method {
	return _Method{
		query: channel._GetCrypto().GetAccountInfo,
	}
}