type ICompare<T> = (a: T, b: T)  => boolean;
type ICompareOne<T> = (a: T)  => 0|1|-1;
type IEqualCompare<T> = (a: T, b: T)  => 0|1|-1;
export { ICompare, IEqualCompare, ICompareOne };
export default ICompare;