export interface UseAddAccountReturn {
    addAccount: () => void;
    /**
     * Whether there is room for another account right now — a *predicate*,
     * derived from the map size on every render. Use it to enable/disable an
     * "Add account" affordance before the user commits to anything.
     */
    canAddAccount: boolean;
    /**
     * Whether an admission was actually *refused* because the map was full — an
     * *event*, latched in the store until the next successful admission or any
     * removal. Use it to render the error after a sign-in was rejected at the
     * cap, including on the OAuth paths, whose entry point is synchronous and so
     * has no call to reject.
     *
     * The two answer different questions: `canAddAccount` is "may I offer this?",
     * `accountLimitReached` is "did this just fail?".
     */
    accountLimitReached: boolean;
}
export default function useAddAccount(): UseAddAccountReturn;