export type Comparator<T> = (a: T, b: T) => number;
export interface ComparableTypes {
    number: number;
    string: string;
    boolean: boolean;
    bigint: bigint;
}
export type Comparable = ComparableTypes[keyof ComparableTypes];
export declare function ascComparator<T extends Comparable>(a: T, b: T): 0 | 1 | -1;