import { Base, IList$1, Type } from "./type";
import { SyncableObservableCollection$1 } from "./SyncableObservableCollection$1";
import { SortDescription } from "./SortDescription";
import { NotifyCollectionChangedEventArgs } from "./NotifyCollectionChangedEventArgs";
/**
 * @hidden
 */
export declare class SortDescriptionCollection extends Base {
    static $t: Type;
    getInner(): SyncableObservableCollection$1<SortDescription>;
    private d;
    get syncTarget(): SortDescriptionCollection;
    set syncTarget(a: SortDescriptionCollection);
    private f;
    constructor();
    add(a: SortDescription): boolean;
    insert(a: number, b: SortDescription): void;
    clear(): void;
    get(a: number): SortDescription;
    indexOf(a: SortDescription): number;
    remove(a: SortDescription): boolean;
    removeAt(a: number): SortDescription;
    set(a: number, b: SortDescription): SortDescription;
    size(): number;
    n(a: (sender: any, e: NotifyCollectionChangedEventArgs) => void): void;
    r(a: (sender: any, e: NotifyCollectionChangedEventArgs) => void): void;
    o(a: SortDescriptionCollection): void;
    s(a: SortDescriptionCollection): void;
    get onChanged(): () => void;
    set onChanged(a: () => void);
    get k(): IList$1<SortDescription>;
}