Method flush

core/src/main/java/io/grpc/internal/MessageFramer.java:307–312

Flushes any buffered data in the framer to the sink.

()

   * Flushes any buffered data in the framer to the sink.
   */
  @Override
  public void flush() {
    if (buffer != null && buffer.readableBytes() > 0) {
      commitToSink(false, true);
    }
  }

  /**
   * Indicates whether or not this framer has been closed via a call to either