class PreconditionRequiredException
extends HttpException
import { PreconditionRequiredException } from "https://deno.land/x/danet@1.7.1/mod.ts";
x/danet/mod.ts>PreconditionRequiredException
import { PreconditionRequiredException } from "https://deno.land/x/danet@1.7.1/mod.ts";