Method request

api/src/main/java/io/grpc/ServerCall.java:117–117

Requests up to the given number of messages from the call to be delivered to Listener#onMessage(Object). Once numMessages have been delivered no further request messages will be delivered until more messages are requested by calling this method again. Servers use this mechanism t

(int numMessages)

   * @param numMessages the requested number of messages to be delivered to the listener.
   */
  public abstract void request(int numMessages);

  /**
   * Send response header metadata prior to sending a response message. This method may