class GatewayTimeoutException
extends HttpException
import { GatewayTimeoutException } from "https://dotland.deno.dev/x/abc@v1.0.3/http_exception.ts";
x/abc/http_exception.ts>GatewayTimeoutException
import { GatewayTimeoutException } from "https://dotland.deno.dev/x/abc@v1.0.3/http_exception.ts";