export declare const retainCheckoutIdentityToken: (userId: string, token: unknown) => void; export declare const getCheckoutIdentityToken: (userId: string | null | undefined) => string | null; export type CheckoutIdentityStatus = 'pending' | 'legacy-ready' | 'proof-ready'; export declare const getCheckoutIdentityStatus: (userId: string | null | undefined) => CheckoutIdentityStatus;