export declare const MULTICODEC_HEADERS: {
    ED25519: {
        PUB: Uint8Array;
        PRIV: Uint8Array;
    };
    X25519: {
        PUB: Uint8Array;
        PRIV: Uint8Array;
    };
    NOOP: Uint8Array;
};
export declare function bytesToBase64Url(bytes: Uint8Array): string;
export declare function base64UrlToBytes(base64urlString: string): Uint8Array;
export declare function bytesToBase58btcMultibase(header: Uint8Array, bytes: Uint8Array): string;
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