func (cb *ContextBuilder) SetRoutingKey(rk string) *ContextBuilder {
	if cb.CallOptions == nil {
		cb.CallOptions = new(CallOptions)
	}
	cb.CallOptions.RoutingKey = rk
	return cb
}
func (cb *ContextBuilder) SetRoutingKey(rk string) *ContextBuilder {
	if cb.CallOptions == nil {
		cb.CallOptions = new(CallOptions)
	}
	cb.CallOptions.RoutingKey = rk
	return cb
}
func ( cb * ContextBuilder ) SetRoutingKey ( rk string ) * ContextBuilder { if cb . CallOptions == nil { cb . CallOptions = new ( CallOptions ) } cb . CallOptions . RoutingKey = rk return cb }
// SetRoutingKey sets the RoutingKey call options ("rk" transport header).
SetRoutingKey sets the RoutingKey call options ( rk transport header ) .