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/*
 * Copyright 2014, Google Inc. All rights reserved.
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 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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package io.grpc.internal;

import io.grpc.Metadata;
import io.grpc.Status;

/** An observer of client-side stream events. */
public interface ClientStreamListener extends StreamListener {
  /**
   * Called upon receiving all header information from the remote end-point. Note that transports
   * are not required to call this method if no header information is received, this would occur
   * when a stream immediately terminates with an error and only
   * {@link #closed(io.grpc.Status, Metadata.Trailers)} is called.
   *
   * 

This method should return quickly, as the same thread may be used to process other streams. * * @param headers the fully buffered received headers. */ void headersRead(Metadata.Headers headers); /** * Called when the stream is fully closed. {@link * io.grpc.Status.Code#OK} is the only status code that is guaranteed * to have been sent from the remote server. Any other status code may have been caused by * abnormal stream termination. This is guaranteed to always be the final call on a listener. No * further callbacks will be issued. * *

This method should return quickly, as the same thread may be used to process other streams. * * @param status details about the remote closure * @param trailers trailing metadata */ void closed(Status status, Metadata.Trailers trailers); }





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