import { List$1 } from "./List$1";
import { INotifyCollectionChanged } from "./INotifyCollectionChanged";
import { INotifyPropertyChanged, IEnumerable$1, PropertyChangedEventArgs, Type } from "./type";
import { NotifyCollectionChangedEventArgs } from "./NotifyCollectionChangedEventArgs";
/**
 * @hidden
 */
export declare class ObservableCollection$1<T> extends List$1<T> implements INotifyCollectionChanged, INotifyPropertyChanged {
    static $t: Type;
    protected $t: Type;
    constructor($t: Type, a: number);
    constructor($t: Type, a: number, b: IEnumerable$1<T>);
    constructor($t: Type, a: number, b: number);
    constructor($t: Type, a: number, ..._rest: any[]);
    protected x(a: number, b: T): void;
    protected p(): void;
    protected r(a: number, b: T): void;
    protected n(a: T): void;
    protected u(a: number): void;
    collectionChanged: (sender: any, e: NotifyCollectionChangedEventArgs) => void;
    propertyChanged: (sender: any, e: PropertyChangedEventArgs) => void;
    protected ad(a: PropertyChangedEventArgs): void;
    protected ac(a: NotifyCollectionChangedEventArgs): void;
}