import { Observable } from 'rxjs';
import { ElementSelectionService } from '../dom/elementSelectionService';
import { ElementService } from '../dom/elementService';
import { IndentService } from '../text/indentService';
export declare function createHtmlParagraphIndentService(element$: Observable<Element | null>, selectionService: ElementSelectionService): IndentService;
export declare class HtmlParagraphIndentService extends ElementService<Element> implements IndentService {
    constructor(element: Element, selectionService: ElementSelectionService);
    private readonly selectionService;
    get canIndent(): boolean;
    private getCanIndent;
    get canOutdent(): boolean;
    private getCanOutdent;
    private getCanChangeIndentLevel;
    private getIsCollapsedAtStartOfParagraph;
    indent(): void;
    outdent(): void;
}