/**
 * Remove items from a javascript array without generating garbage
 * @function removeItems
 * @memberof utils
 * @param {Array<any>} arr - Array to remove elements from
 * @param {number} startIdx - starting index
 * @param {number} removeCount - how many to remove
 */
export declare function removeItems(arr: any[], startIdx: number, removeCount: number): void;