import { Arity1, Is, IsNot } from '@typed/lambda';
/**
 * Wrap a function in a negation
 * @param :: (a -> b)
 * @returns :: (a -> boolean)
 */
export declare const complement: {
    <A>(fn: Is<A>): IsNot<A>;
    <A>(fn: IsNot<A>): Is<A>;
    <A, B>(fn: Arity1<A, B>): Arity1<A, boolean>;
};
//# sourceMappingURL=complement.d.ts.map