func (b *Barrier) Hold() error {
	_, err := newKey(b.client, b.key, v3.NoLease)
	return err
}
func (b *Barrier) Hold() error {
	_, err := newKey(b.client, b.key, v3.NoLease)
	return err
}
func ( b * Barrier ) Hold ( ) error { _ , err := newKey ( b . client , b . key , v3 . NoLease ) return err }
// Hold creates the barrier key causing processes to block on Wait.
Hold creates the barrier key causing processes to block on Wait .