export declare class FunctionQueue {
    static _defaultMaxFunctionQueueSize: number;
    queueBuffer: any[];
    maxQueueSize: number;
    /**
     * Models a simple function queue
     * @param queueSize the maximum allowed queue size
     */
    constructor(queueSize?: number);
    /**
     * Adds an item to this queue.
     * @param item  item to add to this queue
     * @returns  true if the item was added; otherwise false (queue is full)
     **/
    enqueue(item: any): any;
    /**
     * Adds multiple items to this queue.
     * @param items  items to add to this queue
     * @returns  true if all the items were added; false if insufficient room
     */
    enqueueMultiple(items: any): any;
    /**
     * Removes and returns an item from this queue.
     * @returns  the item removed; otherwise an undefined is returned
     */
    dequeue(): any;
    /**
     * Removes and returns up to a specified number of items from this queue.
     * @param count the # of items to remove (if more than contained in queue or negative, undefined is returned)
     * @returns  an array of containing the items removed, or undefined if count is out of range.
     */
    dequeueMultiple(count: any): any;
    /**
     * Removes all items from this queue.
     */
    clear(): void;
    /**
     * Returns the # of items in this queue.
     * @returns  the # of items in this queue.
     */
    getSize(): number;
    /**
     * Returns the maximum capacity of this queue.
     * @returns  the maximum capacity of this queue.
     */
    getCapacity(): number;
    /**
     * Returns the space currently available for more items.
     * @returns  the space currently available for more items.
     */
    getAvailableSpace(): number;
    getQueueBuffer(): any[];
}