import { ReadOnlyCollection$1 } from "./ReadOnlyCollection$1";
import { INotifyCollectionChanged } from "./INotifyCollectionChanged";
import { INotifyPropertyChanged, PropertyChangedEventArgs, Type } from "./type";
import { ObservableCollection$1 } from "./ObservableCollection$1";
import { NotifyCollectionChangedEventArgs } from "./NotifyCollectionChangedEventArgs";
/**
 * @hidden
 */
export declare class ReadOnlyObservableCollection$1<T> extends ReadOnlyCollection$1<T> implements INotifyCollectionChanged, INotifyPropertyChanged {
    static $t: Type;
    protected $t: Type;
    constructor($t: Type, a: ObservableCollection$1<T>);
    collectionChanged: (sender: any, e: NotifyCollectionChangedEventArgs) => void;
    propertyChanged: (sender: any, e: PropertyChangedEventArgs) => void;
}