import { IgCollection } from "igniteui-react-core";
import { SyncableObservableCollection$2 } from "igniteui-react-core";
import { GridFilterDialogViewModelGrouping as GridFilterDialogViewModelGrouping_internal } from './GridFilterDialogViewModelGrouping';
import { IgrGridFilterDialogViewModelGrouping as IgrGridFilterDialogViewModelGrouping } from './igr-grid-filter-dialog-view-model-grouping';
export declare class IgrGridFilterDialogViewModelGroupingLevel extends IgCollection<IgrGridFilterDialogViewModelGrouping, GridFilterDialogViewModelGrouping_internal> {
    constructor(list?: IgrGridFilterDialogViewModelGrouping[]);
    protected _createInnerColl(): SyncableObservableCollection$2<IgrGridFilterDialogViewModelGrouping, GridFilterDialogViewModelGrouping_internal>;
}