import type { AuthenticatorCredentialResult, CheckDataResult } from '@sociably/auth';
import MemoCacheTarget from './CacheTarget.js';
import WebviewConnection from '../../Connection.js';
import { WebviewClientAuthenticator } from '../../types.js';
import type { MemoAuthData, MemoAuthContext } from './types.js';
declare class MemoClientAuthenticator implements WebviewClientAuthenticator<MemoAuthData, MemoAuthData, MemoAuthContext> {
    readonly platform: "webview";
    readonly marshalTypes: (typeof WebviewConnection | typeof MemoCacheTarget)[];
    init(): Promise<{
        forceSignIn: boolean;
    }>;
    fetchCredential(): Promise<AuthenticatorCredentialResult<MemoAuthData>>;
    checkAuthData({ user: userId, thread: threadId, }: MemoAuthData): CheckDataResult<MemoAuthContext>;
    closeWebview(): boolean;
}
export default MemoClientAuthenticator;