export declare function isValidIssuer(issuer: string): boolean;
export declare function buildEncodedQueryString(obj?: Record<string, string | number | undefined | null>, appendable?: boolean): string;
export declare function parseQueryUrl(value: string): Record<string, string>;
export declare function urlSafe(buffer: Uint8Array): string;
//# sourceMappingURL=url.d.ts.map