import { IgCollection } from "igniteui-webcomponents-core";
import { SyncableObservableCollection$2 } from "igniteui-webcomponents-core";
import { GridFilterDialogViewModelGroupingLevel as GridFilterDialogViewModelGroupingLevel_internal } from './GridFilterDialogViewModelGroupingLevel';
import { IgcGridFilterDialogViewModelGroupingLevel as IgcGridFilterDialogViewModelGroupingLevel } from './igc-grid-filter-dialog-view-model-grouping-level';
export declare class IgcGridFilterDialogViewModelGroupingLevelCollection extends IgCollection<IgcGridFilterDialogViewModelGroupingLevel, GridFilterDialogViewModelGroupingLevel_internal> {
    constructor(list?: IgcGridFilterDialogViewModelGroupingLevel[]);
    protected _createInnerColl(): SyncableObservableCollection$2<IgcGridFilterDialogViewModelGroupingLevel, GridFilterDialogViewModelGroupingLevel_internal>;
}