import * as i0 from "@angular/core";
export declare class TuiAppBarSizeDirective {
    private readonly platform;
    protected readonly size: import("@angular/core").Signal<"m" | "l">;
    static ɵfac: i0.ɵɵFactoryDeclaration<TuiAppBarSizeDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<TuiAppBarSizeDirective, "tui-app-bar[tuiAppBarSize]", never, {}, {}, never, never, true, never>;
}