export declare class SortedArray<T> extends Array<T> {
    protected comparator: (item1: T, item2: T) => number;
    constructor(comparator: (item1: T, item2: T) => number, ...items: T[]);
    protected addItem(item: T, start?: number, end?: number): void;
    static create<T>(compareFunction: (item1: T, item2: T) => number, ...items: T[]): SortedArray<T>;
    push(...items: T[]): number;
    unshift(...items: T[]): number;
    splice(start: number, deleteCount?: number, ...items: T[]): T[];
    length: number;
}