docs: public static CompletableFuture<Void> sendErrorResponse(
  			ChannelHandlerContext channelHandlerContext,
  			HttpRequest httpRequest,
  			ErrorResponseBody errorMessage,
  			HttpResponseStatus statusCode,
  			Map<String, String> headers) {
  
  		return sendErrorResponse(
  			channelHandlerContext,
  			HttpHeaders.isKeepAlive(httpRequest),
  			errorMessage,
  			statusCode,
  			headers);
  	}