import { InjectionToken } from '@angular/core';
import * as i0 from "@angular/core";
export declare const TUI_FONT_SIZE_HANDLER: InjectionToken<(size: number) => void>;
export declare class TuiFontSize {
    private readonly handler;
    private readonly enabled;
    protected readonly nothing: () => void;
    static ɵfac: i0.ɵɵFactoryDeclaration<TuiFontSize, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<TuiFontSize, never, never, {}, {}, never, never, true, never>;
}