declare function valueForKeyPath(keyPath: string, object: any): any;
declare function compare(firstObject: {
    [x: string]: any;
}, secondObject: {
    [x: string]: any;
}, sortingInstructions: string | any[]): number;
declare function sortData(data: any[], sortingInstructions: any[]): {
    sortedData: any[];
    sortedIndexes: any[];
};