import { BaseError } from '@zetapush/common';
export declare abstract class UrlError extends BaseError {
    readonly fragmentName: string;
    readonly configurationKey: string;
    constructor(message: string, fragmentName: string, configurationKey: string, cause?: Error);
}
export declare class DefaultRelativeUrlError extends UrlError {
    constructor(message: string, fragmentName: string, configurationKey: string, cause?: Error);
}
export declare class MissingBaseUrlError extends UrlError {
    constructor(message: string, fragmentName: string, configurationKey: string, cause?: Error);
}
export declare class InvalidUrlError extends UrlError {
    constructor(message: string, fragmentName: string, configurationKey: string, cause?: Error);
}
export declare const absolutize: (url: string | null, baseUrl: string | null, defaultPath: string, what: string, configurationKey: string) => string;
export declare const join: (url: string, baseUrl?: string | undefined) => string;
export declare const isAbsolute: (url: string) => boolean;