/**
 * Describes failures raised while handling HTTP server requests.
 *
 * `HttpServerError` covers failures that happen while accepting a request,
 * matching a route, running a handler, or building and sending a response.
 * Request-scoped failures keep the request that caused them, and response
 * failures keep the response being produced. This module also includes helpers
 * for turning failed causes or exits into HTTP responses and an annotation for
 * interrupts caused by client aborts.
 *
 * @stability unstable
 * @since 4.0.0
 */
import * as Cause from "../Cause.ts";
import * as Context from "../Context.ts";
import * as Effect from "../Effect.ts";
import * as ErrorReporter from "../ErrorReporter.ts";
import type * as Exit from "../Exit.ts";
import * as Option from "../Option.ts";
import type * as Request from "./HttpServerRequest.ts";
import * as Respondable from "./HttpServerRespondable.ts";
import * as Response from "./HttpServerResponse.ts";
declare const TypeId = "~effect/http/HttpServerError";
declare const HttpServerError_base: new <A extends Record<string, any> = {}>(args: import("../Types.ts").VoidIfEmpty<{ readonly [P in keyof A as P extends "_tag" ? never : P]: A[P]; }>) => Cause.YieldableError & {
    readonly _tag: "HttpServerError";
} & Readonly<A>;
/**
 * Tagged error for failures that occur while handling an HTTP server request.
 *
 * **Details**
 *
 * It wraps a `HttpServerErrorReason`, exposes the associated request and optional
 * response, and can be converted to an HTTP response through the `Respondable`
 * protocol.
 *
 * @stability unstable
 * @category errors
 * @since 4.0.0
 */
export declare class HttpServerError extends HttpServerError_base<{
    readonly reason: HttpServerErrorReason;
}> implements Respondable.Respondable {
    constructor(props: {
        readonly reason: HttpServerErrorReason;
    });
    readonly [TypeId] = "~effect/http/HttpServerError";
    stack: string;
    get request(): Request.HttpServerRequest;
    get response(): Response.HttpServerResponse | undefined;
    [Respondable.symbol](): Effect.Effect<Response.HttpServerResponse, never, never>;
    get [ErrorReporter.ignore](): boolean;
    get message(): string;
}
declare const RequestParseError_base: new <A extends Record<string, any> = {}>(args: import("../Types.ts").VoidIfEmpty<{ readonly [P in keyof A as P extends "_tag" ? never : P]: A[P]; }>) => Cause.YieldableError & {
    readonly _tag: "RequestParseError";
} & Readonly<A>;
/**
 * Error describing a failure to parse or read an incoming request.
 *
 * **Details**
 *
 * When converted to a response it produces an empty `413` response for
 * `BodyTooLarge`, or an empty `400` response for other parse failures.
 *
 * @stability unstable
 * @category errors
 * @since 4.0.0
 */
export declare class RequestParseError extends RequestParseError_base<{
    readonly request: Request.HttpServerRequest;
    readonly reason?: "Parse" | "BodyTooLarge";
    readonly description?: string;
    readonly cause?: unknown;
}> implements Respondable.Respondable {
    /**
     * Converts the request error into a `413 Content Too Large` response for body
     * size breaches, or a `400 Bad Request` response for other parse failures.
     *
     * @stability unstable
     * @since 4.0.0
     */
    [Respondable.symbol](): Effect.Effect<Response.HttpServerResponse, never, never>;
    get methodAndUrl(): string;
    get message(): string;
}
declare const RouteNotFound_base: new <A extends Record<string, any> = {}>(args: import("../Types.ts").VoidIfEmpty<{ readonly [P in keyof A as P extends "_tag" ? never : P]: A[P]; }>) => Cause.YieldableError & {
    readonly _tag: "RouteNotFound";
} & Readonly<A>;
/**
 * Error indicating that no route matched the incoming request.
 *
 * **Details**
 *
 * When converted to a response it produces an empty `404` response, and it is
 * ignored by the error reporter.
 *
 * @stability unstable
 * @category errors
 * @since 4.0.0
 */
export declare class RouteNotFound extends RouteNotFound_base<{
    readonly request: Request.HttpServerRequest;
    readonly description?: string;
    readonly cause?: unknown;
}> implements Respondable.Respondable {
    [Respondable.symbol](): Effect.Effect<Response.HttpServerResponse, never, never>;
    readonly [ErrorReporter.ignore] = true;
    get methodAndUrl(): string;
    get message(): string;
}
declare const InternalError_base: new <A extends Record<string, any> = {}>(args: import("../Types.ts").VoidIfEmpty<{ readonly [P in keyof A as P extends "_tag" ? never : P]: A[P]; }>) => Cause.YieldableError & {
    readonly _tag: "InternalError";
} & Readonly<A>;
/**
 * Error describing an unexpected server-side failure while handling a request.
 *
 * **Details**
 *
 * When converted to a response it produces an empty `500` response.
 *
 * @stability unstable
 * @category errors
 * @since 4.0.0
 */
export declare class InternalError extends InternalError_base<{
    readonly request: Request.HttpServerRequest;
    readonly description?: string;
    readonly cause?: unknown;
}> implements Respondable.Respondable {
    /**
     * Converts the server error into a `500 Internal Server Error` response.
     *
     * @stability unstable
     * @since 4.0.0
     */
    [Respondable.symbol](): Effect.Effect<Response.HttpServerResponse, never, never>;
    get methodAndUrl(): string;
    get message(): string;
}
/**
 * Returns `true` when the supplied value is an `HttpServerError`.
 *
 * @stability unstable
 * @category guards
 * @since 4.0.0
 */
export declare const isHttpServerError: (u: unknown) => u is HttpServerError;
declare const ResponseError_base: new <A extends Record<string, any> = {}>(args: import("../Types.ts").VoidIfEmpty<{ readonly [P in keyof A as P extends "_tag" ? never : P]: A[P]; }>) => Cause.YieldableError & {
    readonly _tag: "ResponseError";
} & Readonly<A>;
/**
 * Error describing a failure related to an HTTP response.
 *
 * **Details**
 *
 * It carries the request and response involved in the failure. When converted to
 * a response it produces an empty `500` response.
 *
 * @stability unstable
 * @category errors
 * @since 4.0.0
 */
export declare class ResponseError extends ResponseError_base<{
    readonly request: Request.HttpServerRequest;
    readonly response: Response.HttpServerResponse;
    readonly description?: string;
    readonly cause?: unknown;
}> implements Respondable.Respondable {
    [Respondable.symbol](): Effect.Effect<Response.HttpServerResponse, never, never>;
    get methodAndUrl(): string;
    get message(): string;
}
/**
 * Union of errors that are tied directly to an incoming server request.
 *
 * @stability unstable
 * @category errors
 * @since 4.0.0
 */
export type RequestError = RequestParseError | RouteNotFound | InternalError;
/**
 * Reason carried by an `HttpServerError`, either a request-level error or a response-level error.
 *
 * @stability unstable
 * @category errors
 * @since 4.0.0
 */
export type HttpServerErrorReason = RequestError | ResponseError;
declare const ServeError_base: new <A extends Record<string, any> = {}>(args: import("../Types.ts").VoidIfEmpty<{ readonly [P in keyof A as P extends "_tag" ? never : P]: A[P]; }>) => Cause.YieldableError & {
    readonly _tag: "ServeError";
} & Readonly<A>;
/**
 * Error wrapping a low-level failure from the HTTP server implementation.
 *
 * @stability unstable
 * @category errors
 * @since 4.0.0
 */
export declare class ServeError extends ServeError_base<{
    readonly cause: unknown;
}> {
}
declare const ClientAbort_base: Context.ServiceClass<ClientAbort, "effect/http/HttpServerError/ClientAbort", true>;
/**
 * Context annotation used to mark an interrupt as caused by the client aborting
 * the request.
 *
 * **Details**
 *
 * `causeResponse` uses this annotation to map a pure client abort to a `499`
 * response instead of a server abort response.
 *
 * @stability unstable
 * @category services
 * @since 4.0.0
 */
export declare class ClientAbort extends ClientAbort_base {
    static annotation: Context.Context<ClientAbort | Cause.StackTrace>;
}
/**
 * Converts a failed handler cause into the HTTP response that should be sent and
 * the cause that should be reported.
 *
 * **Details**
 *
 * Respondable failures and defects can choose their own response, defects that
 * are already `HttpServerResponse` values are used directly, and pure interrupts
 * produce either `499` for client aborts or `503` for server aborts.
 *
 * @stability unstable
 * @category error handling
 * @since 4.0.0
 */
export declare const causeResponse: <E>(cause: Cause.Cause<E>) => Effect.Effect<readonly [Response.HttpServerResponse, Cause.Cause<E>]>;
/**
 * Derives an HTTP response from a failed handler cause synchronously.
 *
 * **Details**
 *
 * If the cause contains a defect that is already an `HttpServerResponse`, that
 * response is used and removed from the remaining cause. Otherwise the response
 * defaults to `500`.
 *
 * @stability unstable
 * @category error handling
 * @since 4.0.0
 */
export declare const causeResponseStripped: <E>(cause: Cause.Cause<E>) => readonly [response: Response.HttpServerResponse, cause: Option.Option<Cause.Cause<E>>];
/**
 * Extracts the response from a successful handler exit, or derives a response
 * from the failure cause.
 *
 * @stability unstable
 * @category error handling
 * @since 4.0.0
 */
export declare const exitResponse: <E>(exit: Exit.Exit<Response.HttpServerResponse, E>) => Response.HttpServerResponse;
export {};
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