func (cb *ContextBuilder) SetShardKey(sk string) *ContextBuilder {
	if cb.CallOptions == nil {
		cb.CallOptions = new(CallOptions)
	}
	cb.CallOptions.ShardKey = sk
	return cb
}
func (cb *ContextBuilder) SetShardKey(sk string) *ContextBuilder {
	if cb.CallOptions == nil {
		cb.CallOptions = new(CallOptions)
	}
	cb.CallOptions.ShardKey = sk
	return cb
}
func ( cb * ContextBuilder ) SetShardKey ( sk string ) * ContextBuilder { if cb . CallOptions == nil { cb . CallOptions = new ( CallOptions ) } cb . CallOptions . ShardKey = sk return cb }
// SetShardKey sets the ShardKey call option ("sk" transport header).
SetShardKey sets the ShardKey call option ( sk transport header ) .