import { Unit } from "../../../fun/domains/unit/state";
import { BasicUpdater, Updater } from "../../../fun/domains/updater/state";
import { BasicFun, Fun } from "../../../fun/state";
export type Maybe<e> = e | undefined;
export declare const Maybe: {
    Default: <e>(_: e | undefined) => e | undefined;
    Updaters: {
        value: <e>(_: BasicUpdater<e>) => Updater<Maybe<e>>;
        ensureValue: <e>(_: BasicFun<Unit, e>) => Updater<Maybe<e>>;
    };
    Operations: {
        map: <a, b>(f: BasicFun<a, b>) => Fun<Maybe<a>, Maybe<b>>;
    };
};
//# sourceMappingURL=state.d.ts.map