export declare const base64: {
    decode(base64str: string): string;
    decodeToUint8Array(base64str: string): Uint8Array;
    encode(data: string | ArrayBuffer | Uint8Array): string;
    encodeFromUint8Array(data: Uint8Array): string;
};
declare const BASE64: {
    decode(base64str: string): string;
    decodeToUint8Array(base64str: string): Uint8Array;
    encode(data: string | ArrayBuffer | Uint8Array): string;
    encodeFromUint8Array(data: Uint8Array): string;
};
export { BASE64 };
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