import { ServerKeyringHttp } from "./ServerKeyringHttp";
import type { ChainNamespace } from "./types";
/** True when the remote service reports the BYOK wallet is already registered on the project. */
export declare function isByokWalletAlreadyExistsError(error: unknown): boolean;
/** Connection details a BYOK keyring needs to register derived wallets server-side. */
export type WalletRegistrationConfig = {
    baseUrl: string;
    authToken: string;
    projectId: string;
};
export type ByokChallenge = {
    challengeId: string;
    message: string;
    expiresAt: string;
};
export type RegisteredByokWallet = {
    address: string;
    type: "byok";
};
export type RegisterWalletArgs = {
    address: string;
    namespace: ChainNamespace;
    name?: string;
    /** Signs the challenge `message` with EIP-191 (`personal_sign`) semantics. */
    sign: (message: string, address: string) => Promise<string>;
};
/**
 * Registers a locally-derived BYOK wallet with the remote service:
 *   1. fetch an EIP-712 challenge for the address
 *   2. sign it in-process
 *   3. save the wallet with the signature
 * Strict: any failed call rejects (ServerKeyringHttp maps it to RemoteSigningError).
 */
export declare class WalletRegistrationClient {
    #private;
    constructor(config: WalletRegistrationConfig, sharedHttp?: ServerKeyringHttp);
    register(args: RegisterWalletArgs): Promise<RegisteredByokWallet>;
}