export declare function decodeBase64(base64: string): Uint8Array;
export declare function encodeBase64(bytes: Uint8Array): string;
/**
 * Thrown when the Digital Credentials API is not available: an unsupported platform or OS version,
 * a missing native module, or an operation that only one platform has.
 */
export declare class DcApiUnsupportedError extends Error {
}
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