Method request

api/src/main/java/io/grpc/ClientCall.java:212–212

Requests up to the given number of messages from the call to be delivered to Listener#onMessage(Object). No additional messages will be delivered. Message delivery is guaranteed to be sequential in the order received. In addition, the listener methods will not be accessed concurrently. W

(int numMessages)

   * @throws IllegalArgumentException if numMessages is negative
   */
  public abstract void request(int numMessages);

  /**
   * Prevent any further processing for this {@code ClientCall}. No further messages may be sent or