import { TokensFromRefresh, TokensFromSignIn, BusyState, IdleState } from "./model.js";
/**
 * Process tokens with storage lock protection to prevent race conditions
 * in multi-tab/multi-process scenarios.
 */
export declare function processTokens(tokens: TokensFromSignIn | TokensFromRefresh, abort?: AbortSignal): Promise<TokensFromSignIn | TokensFromRefresh>;
/**
 * Sign the user out. This means: clear tokens from storage,
 * and revoke the refresh token from Amazon Cognito
 * Note: The device key is preserved to enable device authentication on next login
 */
export declare const signOut: (props?: {
    currentStatus?: BusyState | IdleState;
    tokensRemovedLocallyCb?: () => void;
    statusCb?: (status: BusyState | IdleState) => void;
    skipTokenRevocation?: boolean;
}) => {
    signedOut: Promise<void>;
    abort: () => void;
};