export declare class List<T> {
    ItemAdded: (i: T) => void;
    ItemAddedBefore: (i: T) => void;
    ItemSplice: (start: any, i: T) => void;
    private __list;
    private _map;
    Dispose(): void;
    Add(item: T): number;
    AddBefore(item: T): number;
    Insert(start: any, item: T): T[];
    get items(): Array<T>;
    clear(): T[];
    get count(): number;
    remove(item: T): T[];
    indexOf(item: T): number;
    FindFromKey(key: any, value: any): T[];
    removeIndex(index: number): T[];
    has(item: T): boolean;
    item(index: number): T;
    forEach(callbackfn: (value: T, index: number, array: T[]) => void): void;
    ReverseClone(): Array<T>;
    filter(callbackfn: (value: T, index: number, array: T[]) => boolean): Array<T>;
}