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// Copyright 2018-2022 the oak authors. All rights reserved. MIT license.
import type { Application, State } from "./application.ts";import type { Status } from "./deps.ts";
/** A HTTP status that is an error (4XX and 5XX). */export type ErrorStatus =  | Status.BadRequest  | Status.Unauthorized  | Status.PaymentRequired  | Status.Forbidden  | Status.NotFound  | Status.MethodNotAllowed  | Status.NotAcceptable  | Status.ProxyAuthRequired  | Status.RequestTimeout  | Status.Conflict  | Status.Gone  | Status.LengthRequired  | Status.PreconditionFailed  | Status.RequestEntityTooLarge  | Status.RequestURITooLong  | Status.UnsupportedMediaType  | Status.RequestedRangeNotSatisfiable  | Status.ExpectationFailed  | Status.Teapot  | Status.MisdirectedRequest  | Status.UnprocessableEntity  | Status.Locked  | Status.FailedDependency  | Status.UpgradeRequired  | Status.PreconditionRequired  | Status.TooManyRequests  | Status.RequestHeaderFieldsTooLarge  | Status.UnavailableForLegalReasons  | Status.InternalServerError  | Status.NotImplemented  | Status.BadGateway  | Status.ServiceUnavailable  | Status.GatewayTimeout  | Status.HTTPVersionNotSupported  | Status.VariantAlsoNegotiates  | Status.InsufficientStorage  | Status.LoopDetected  | Status.NotExtended  | Status.NetworkAuthenticationRequired;
/** A HTTP status that is a redirect (3XX). */export type RedirectStatus =  | Status.MultipleChoices // 300  | Status.MovedPermanently // 301  | Status.Found // 302  | Status.SeeOther // 303  | Status.UseProxy // 305 - DEPRECATED  | Status.TemporaryRedirect // 307  | Status.PermanentRedirect; // 308
export type HTTPMethods =  | "HEAD"  | "OPTIONS"  | "GET"  | "PUT"  | "PATCH"  | "POST"  | "DELETE";
export interface Listener {  addr: { hostname: string; port: number };}
export interface Server<T> extends AsyncIterable<T> {  close(): void | Promise<void>;  listen(): Listener | Promise<Listener>;  [Symbol.asyncIterator](): AsyncIterableIterator<T>;}
export interface ServerRequestBody {  body: ReadableStream<Uint8Array> | null;  readBody: () => Promise<Uint8Array>;}
export interface ServerRequest {  readonly remoteAddr: string | undefined;  readonly headers: Headers;  readonly method: string;  readonly rawUrl?: string;  readonly url: string;  // deno-lint-ignore no-explicit-any  error(reason?: any): void;  getBody(): ServerRequestBody;  respond(response: Response): Promise<void>;  upgrade?(options?: UpgradeWebSocketOptions): WebSocket;}
export interface ServerConstructor<T extends ServerRequest> {  // deno-lint-ignore no-explicit-any  new <AS extends State = Record<string, any>>(    app: Application<AS>,    options: Deno.ListenOptions | Deno.ListenTlsOptions,  ): Server<T>;  prototype: Server<T>;}
export type Data = string | number[] | ArrayBuffer | Uint8Array;export type Key = string | number[] | ArrayBuffer | Uint8Array;
export interface UpgradeWebSocketOptions {  protocol?: string;}
export type UpgradeWebSocketFn = (  request: Request,  options?: UpgradeWebSocketOptions,) => WebSocketUpgrade;
interface WebSocketUpgrade {  response: Response;  socket: WebSocket;}
// Since the native bindings are currently unstable in Deno, we will add the// interfaces here, so that we can type check oak without requiring the// `--unstable` flag to be used.
export interface RequestEvent {  readonly request: Request;  respondWith(r: Response | Promise<Response>): Promise<void>;}
export interface HttpConn extends AsyncIterable<RequestEvent> {  readonly rid: number;  nextRequest(): Promise<RequestEvent | null>;  close(): void;}