NewPortForwarder creates a new port-forward worker that handles creating port-forwards and destroying port-forwards.

NewProxier creates a new proxier instance.

ErrAlreadyExists is returned when we've already created a port-forward for this service.

CreatePortForwardRequest is a request to create port-forward.

DeletePortForwardRequest is a request to delete a port-forward.

PortForwardConnection is a port-forward that is managed by the port-forward worker.

PortForwardRequest is a port-forward request, the non-nil struct is the type of request this is.

Proxier handles creating an maintaining proxies to a remote Kubernetes service.