code: public final HttpClient compress(boolean compressionEnabled) {
  		if (compressionEnabled) {
  			return tcpConfiguration(COMPRESS_ATTR_CONFIG).headers(COMPRESS_HEADERS);
  		}
  		else {
  			return tcpConfiguration(COMPRESS_ATTR_DISABLE).headers(COMPRESS_HEADERS_DISABLE);
  		}
  	}
docs: Specifies whether GZip compression/websocket compression
  extension is enabled.
  
  @param compressionEnabled if true GZip compression/websocket compression extension
  is enabled otherwise disabled (default: false)
  @return a new {@link HttpClient}