/**
 * Returns an iterator that points to the next min (according to the provided comparator)
 * This function mutates the original array
 * @param arr the array (will be reordered)
 * @param comparator the comparison function to find the minimum by
 * @returns a generator that yields the position of the next-most-minimum element
 */
export declare function minGenerator<S, T>(iterable: Iterable<S>, mapper: (value: S) => T, comparator: (first: T, second: T) => number): Generator<S, void, unknown>;