import type * as HKT from "../HKT/index.js";
export interface Extend<F extends HKT.URIS, C = HKT.Auto> extends HKT.Base<F, C> {
    readonly _Extend: "Extend";
    readonly extend: <K, Q, W, X, I, S, R, E, A, B>(f: (_: HKT.Kind<F, C, K, Q, W, X, I, S, R, E, A>) => B) => (fa: HKT.Kind<F, C, K, Q, W, X, I, S, R, E, A>) => HKT.Kind<F, C, K, Q, W, X, I, S, R, E, B>;
}
//# sourceMappingURL=index.d.ts.map