import { PublicKeyCredentialCreationOptionsJSON } from '@simplewebauthn/typescript-types';
import { Hex } from 'viem';
export declare function registerByWebAuthn(options: PublicKeyCredentialCreationOptionsJSON): Promise<{
    response: import("@simplewebauthn/types").RegistrationResponseJSON;
    decodedCred: {
        publicKey: bigint[];
    };
}>;
export declare function getCredentialID(): Promise<string>;
export declare function signByPasskey(message: string, passkeyIds?: string[]): Promise<{
    userHandle: string | undefined;
    name: string;
    signature: `0x${string}`;
}>;
export declare function decodePublicKey(publicKey: Hex): readonly [bigint, bigint];
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