import { IgCollection } from "igniteui-angular-core";
import { SyncableObservableCollection$2 } from "igniteui-angular-core";
import { LayoutPrimaryKeyValue as LayoutPrimaryKeyValue_internal } from './LayoutPrimaryKeyValue';
import { IgxLayoutPrimaryKeyValue as IgxLayoutPrimaryKeyValue } from './igx-layout-primary-key-value';
export declare class IgxLayoutSelectedKeysCollection extends IgCollection<IgxLayoutPrimaryKeyValue, LayoutPrimaryKeyValue_internal> {
    constructor(list?: IgxLayoutPrimaryKeyValue[]);
    protected _createInnerColl(): SyncableObservableCollection$2<IgxLayoutPrimaryKeyValue, LayoutPrimaryKeyValue_internal>;
}