/**
 * Converts a JSON-friendly `PublicKeyCredentialCreationOptions` object into the
 * format expected by the `navigator.credentials.create()` method by decoding
 * Base64URL strings into `ArrayBuffer`s.
 * @param creationOptionsJson The JSON-friendly creation options.
 * @returns The binary-compatible creation options.
 */
export declare function convertCreationOptionsToBinary(creationOptionsJson: PublicKeyCredentialCreationOptionsJSON): PublicKeyCredentialCreationOptions;
/**
 * Converts a `PublicKeyCredential` object returned by the WebAuthn API into a
 * JSON-serializable object by recursively encoding all `ArrayBuffer` and `TypedArray`
 * instances into Base64URL strings.
 * @param pubKeyCred The `PublicKeyCredential` object.
 * @returns A JSON-serializable representation of the credential.
 */
export declare function convertPublicKeyCredentialToJsonable(pubKeyCred: PublicKeyCredential): PublicKeyCredentialJSON;
/**
 * Converts a JSON-friendly `PublicKeyCredentialRequestOptions` object into the
 * format expected by the `navigator.credentials.get()` method by decoding
 * Base64URL strings into `ArrayBuffer`s.
 * @param requestOptionsJson The JSON-friendly request options.
 * @returns The binary-compatible request options.
 */
export declare function convertRequestOptionsToBinary(requestOptionsJson: PublicKeyCredentialRequestOptionsJSON): PublicKeyCredentialRequestOptions;