import { ButtonGroupSelectionChangedEventArgs as ButtonGroupSelectionChangedEventArgs_internal } from "./ButtonGroupSelectionChangedEventArgs";
export declare class IgcButtonGroupSelectionChangedEventArgs {
    protected createImplementation(): ButtonGroupSelectionChangedEventArgs_internal;
    protected _implementation: any;
    /**
     * @hidden
     */
    get i(): ButtonGroupSelectionChangedEventArgs_internal;
    private onImplementationCreated;
    constructor();
    protected _provideImplementation(i: any): void;
}