export declare function encodeBase64(bytes: Uint8Array): string;
export declare function encodeBase64NoPadding(bytes: Uint8Array): string;
export declare function encodeBase64url(bytes: Uint8Array): string;
export declare function encodeBase64urlNoPadding(bytes: Uint8Array): string;
export declare function decodeBase64(encoded: string): Uint8Array;
export declare function decodeBase64IgnorePadding(encoded: string): Uint8Array;
export declare function decodeBase64url(encoded: string): Uint8Array;
export declare function decodeBase64urlIgnorePadding(encoded: string): Uint8Array;