import { IgCollection } from "igniteui-angular-core";
import { SyncableObservableCollection$2 } from "igniteui-angular-core";
import { XButton as XButton_internal } from './XButton';
import { IgxXButtonComponent as IgxXButtonComponent } from './igx-x-button-component';
export declare class IgxXButtonGroupButtonCollection extends IgCollection<IgxXButtonComponent, XButton_internal> {
    constructor(list?: IgxXButtonComponent[]);
    protected _createInnerColl(): SyncableObservableCollection$2<IgxXButtonComponent, XButton_internal>;
}