export type ManagedAuthMode = "signin" | "signup";
/** Sign-in or sign-up succeeded but the browser holds no session afterwards. */
export declare class ManagedAuthSessionUnavailableError extends Error {
    readonly mode: ManagedAuthMode;
    constructor(mode: ManagedAuthMode);
}
export type ManagedSignOutResult<Session> = {
    status: "signed_out";
    session: null;
} | {
    status: "reconciled_failure";
    session: Session | null;
    error: unknown;
};
/**
 * A failed sign-out response is ambiguous: the cookie mutation may still have
 * committed. Resolve that ambiguity from the authoritative session endpoint
 * before allowing an authenticated UI to render again.
 */
export declare function signOutWithAuthoritativeReconciliation<Session>(input: {
    signOut: () => Promise<unknown>;
    readSession: () => Promise<Session | null>;
}): Promise<ManagedSignOutResult<Session>>;