import * as i0 from "@angular/core";
export type ButtonGroupSelectionMode = 'none' | 'single' | 'multiple';
export declare class ButtonGroupComponent {
    vertical: import("@angular/core").InputSignal<boolean>;
    ariaLabel: import("@angular/core").InputSignal<string>;
    static ɵfac: i0.ɵɵFactoryDeclaration<ButtonGroupComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<ButtonGroupComponent, "ngx-button-group", never, { "vertical": { "alias": "vertical"; "required": false; "isSignal": true; }; "ariaLabel": { "alias": "ariaLabel"; "required": false; "isSignal": true; }; }, {}, never, ["*"], true, never>;
}