crossdock/behavior/trace/behavior.go
func (b *Behavior) Register(ch *tchannel.Channel) {
	b.registerThrift(ch)
	b.registerJSON(ch)
}
func (b *Behavior) Register(ch *tchannel.Channel) {
	b.registerThrift(ch)
	b.registerJSON(ch)
}
// Register function adds JSON and Thrift handlers to the server channel ch