import { HttpException } from './HttpException.js';
/**
 * Throw an HTTP exception for the given status (or rethrow an existing {@link HttpException}).
 */
export declare function abort(status: number | HttpException, message?: string, headers?: Record<string, string>): never;
/**
 * Throw if `condition` is true.
 */
export declare function abort_if(condition: boolean, status: number | HttpException, message?: string, headers?: Record<string, string>): asserts condition is false;
/**
 * Throw unless `condition` is true.
 */
export declare function abort_unless(condition: boolean, status: number | HttpException, message?: string, headers?: Record<string, string>): asserts condition is true;
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