declare const getObjectProperty: (object: any, path: string, defaultValue?: string) => any | undefined;
declare const mergeTwoSortedArrays: <T>(array1: T[], array2: T[], compare?: (first: T, second: T) => boolean) => T[];
declare const keepOldItemsInArray: <T>(newArray: T[], oldArray: T[], getId?: (item: T) => any, map?: (newItem: T | undefined, oldItem: T | undefined, index: number) => T, isFirstBeforeSecond?: (first: T, second: T) => boolean) => T[];

export { getObjectProperty, keepOldItemsInArray, mergeTwoSortedArrays };