# Functions
NewClient - return a new Client chain element implementing the vl3 load balancer.
WithClientURL sets clientURL.
WithDialOptions sets dial options.
WithDialTimeout sets dial timeout for the client.
WithPort - set a load balancer port.
WithProtocol - set IP protocol.
WithSelector - set a load balancer selector.
WithTargetPort - set a real server target port.
# Type aliases
Option is an option pattern for forwarder chain elements.