ExecuteCommand connects to the named server, sends it a workspace/executeCommand request (with command 'id' and arguments JSON encoded in 'request'), and populates the result variable.

NewForwarder creates a new forwarder (a [jsonrpc2.StreamServer]), ready to forward connections to the remote server specified by rawAddr.

NewStreamServer creates a StreamServer using the shared cache.

ParseAddr parses the address of a gopls remote.

QueryServerState returns a JSON-encodable struct describing the state of the named server.