import { AbstractTuiEditor } from '@taiga-ui/addon-editor/abstract';
import { TuiEditorFontOption } from '@taiga-ui/addon-editor/interfaces';
import { TuiEditorOptions } from '@taiga-ui/addon-editor/tokens';
import { TuiLanguageEditor } from '@taiga-ui/i18n';
import { Observable } from 'rxjs';
import * as i0 from "@angular/core";
export declare class TuiFontSizeComponent {
    private readonly options;
    readonly editor: AbstractTuiEditor;
    readonly texts$: Observable<TuiLanguageEditor['toolbarTools']>;
    private readonly fontOptionsTexts$;
    readonly fontsOptions$: Observable<ReadonlyArray<Partial<TuiEditorFontOption>>>;
    readonly fontText$: Observable<string>;
    constructor(options: TuiEditorOptions, editor: AbstractTuiEditor, texts$: Observable<TuiLanguageEditor['toolbarTools']>, fontOptionsTexts$: Observable<TuiLanguageEditor['editorFontOptions']>);
    /**
     * @deprecated:
     * use {@link setFontOption}
     */
    onClick({ headingLevel, px }: Partial<TuiEditorFontOption>): void;
    setFontOption({ headingLevel, px }: Partial<TuiEditorFontOption>): void;
    private clearPreviousTextStyles;
    static ɵfac: i0.ɵɵFactoryDeclaration<TuiFontSizeComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<TuiFontSizeComponent, "tui-font-size", never, {}, {}, never, never>;
}