// This may only be set ONCE before use.
func (h *SingleHandler[Req, Resp]) IgnoreNilConn() *SingleHandler[Req, Resp] {
	if h.ignoreNilConn {
		gridLogOnceIf(context.Background(), fmt.Errorf("%s: IgnoreNilConn called twice", h.id.String()), h.id.String()+"IgnoreNilConn")
	}
	h.ignoreNilConn = true
	return h
}

	logger.LogIf(ctx, "grid", err, errKind...)
}

func gridLogIfNot(ctx context.Context, err error, ignored ...error) {
	logger.LogIfNot(ctx, "grid", err, ignored...)
}

func gridLogOnceIf(ctx context.Context, err error, id string, errKind ...any) {
	logger.LogOnceIf(ctx, "grid", err, id, errKind...)
}

// A Connection is a remote connection.