Creates a receiver used to consume messages from the given address. The receiver has no handler and won't
start receiving messages until a handler is explicitly configured.
@param address The source address to attach the consumer to, must not be {@code null}
@param completionHandler the handler called with the receiver. The receiver has been opened.
@return the connection.
Creates a receiver used to consume messages from the given address. The receiver has no handler and won't start receiving messages until a handler is explicitly configured.
@param address The source address to attach the consumer to, must not be {@code null} @param completionHandler the handler called with the receiver. The receiver has been opened. @return the connection.