import { type Context } from 'koa';
import { type Plugin } from 'koas-core';
declare function serializer(): Plugin;
declare function bodyParser(): Plugin;
export { bodyParser, serializer };
export * from 'koas-parameters';
export * from 'koas-security';
declare const errorStatusMap: {
    readonly 400: "Bad Request";
    readonly 401: "Unauthorized";
    readonly 402: "Payment Required";
    readonly 403: "Forbidden";
    readonly 404: "Not Found";
    readonly 405: "Method Not Allowed";
    readonly 406: "Not Acceptable";
    readonly 407: "Proxy Authentication Required";
    readonly 408: "Request Timeout";
    readonly 409: "Conflict";
    readonly 410: "Gone";
    readonly 411: "Length Required";
    readonly 412: "Precondition Failed";
    readonly 413: "Payload Too Large";
    readonly 414: "Uri Too Long";
    readonly 415: "Unsupported Media Type";
    readonly 416: "Range Not Satisfiable";
    readonly 417: "Expectation Failed";
    readonly 418: "Im A Teapot";
    readonly 421: "Misdirected Request";
    readonly 422: "Unprocessable Entity";
    readonly 423: "Locked";
    readonly 424: "Failed Dependency";
    readonly 425: "Too Early";
    readonly 426: "Upgrade Required";
    readonly 428: "Precondition Required";
    readonly 429: "Too Many Requests";
    readonly 431: "Request Header Fields Too Large";
    readonly 451: "Unavailable For Legal Reasons";
    readonly 500: "Internal Server Error";
    readonly 501: "Not Implemented";
    readonly 502: "Bad Gateway";
    readonly 503: "Service Unavailable";
    readonly 504: "Gateway Timeout";
    readonly 505: "Http Version Not Supported";
    readonly 506: "Variant Also Negotiates";
    readonly 507: "Insufficient Storage";
    readonly 508: "Loop Detected";
    readonly 510: "Not Extended";
    readonly 511: "Network Authentication Required";
};
type HttpErrorCodes = keyof typeof errorStatusMap;
/**
 * Throw standard Koa error response.
 *
 * @param ctx The Koa context used to throw the error response.
 * @param status The HTTP status code to use.
 * @param message The message for in the response body.
 * @param data Optional data to include.
 */
export declare function throwKoaError(ctx: Context, status: HttpErrorCodes, message?: string, data?: Record<string, any>): never;
/**
 * Throw standard Koa error response when condition is met.
 *
 * @param condition The condition to check.
 * @param ctx The Koa context used to throw the error response.
 * @param status The HTTP status code to use.
 * @param message The message for in the response body.
 * @param data Optional data to include.
 */
export declare function assertKoaError(condition: boolean, ctx: Context, status: HttpErrorCodes, message?: string, data?: Record<string, any>): void;
/**
 * Throws standard Koa error response when condition is _not_ met.
 * Does the opposite of `assertKoaError`.
 *
 * @param condition The condition to check.
 * @param ctx The Koa context used to throw the error response.
 * @param status The HTTP status code to use.
 * @param message The message for in the response body.
 * @param data Optional data to include.
 * @see throwKoaError
 */
export declare function assertKoaCondition(condition: boolean, ctx: Context, status: HttpErrorCodes, message?: string, data?: Record<string, any>): asserts condition;