func golang.org/x/crypto/ssh/agent.NewClient

2 uses

	golang.org/x/crypto/ssh/agent (current package)
		client.go#L313: func NewClient(rw io.ReadWriter) ExtendedAgent {

	github.com/xanzy/ssh-agent
		sshagent.go#L43: 	return agent.NewClient(conn), conn, nil