import { type Comparator } from './Comparator';
declare type BoolComparator<T> = (a: T, b: T) => boolean;
export declare const toBoolComparator: <T>(cmp: Comparator<T>) => BoolComparator<T>;
export declare const scalarCmp: <T>(a: T, b: T) => boolean;
export declare const arrCmp: <T>(cmp?: BoolComparator<T>) => (a: T[] | null | undefined, b: T[] | null | undefined) => boolean;
export declare const objCmp: <T>(cmp: BoolComparator<T>) => (a: Record<string, T> | null | undefined, b: Record<string, T> | null | undefined) => boolean;
export declare function combineBoolCmps<A>(comp: BoolComparator<A>): BoolComparator<A>;
export declare function combineBoolCmps<A, B>(comp1: BoolComparator<A>, comp2: BoolComparator<B>): BoolComparator<A | B>;
export declare function combineBoolCmps<A, B, C>(comp1: BoolComparator<A>, comp2: BoolComparator<B>, comp3: BoolComparator<C>): BoolComparator<A | B | C>;
export declare function combineBoolCmps<A, B, C, D>(comp1: BoolComparator<A>, comp2: BoolComparator<B>, comp3: BoolComparator<C>, comp4: BoolComparator<D>): BoolComparator<A | B | C | D>;
export {};