import { Observable } from 'rxjs';
import { SanitizeHtmlOptions } from '../../helpers/sanitizeHtml';
import { ElementSelectionService } from '../dom/elementSelectionService';
import { ElementService } from '../dom/elementService';
import { HtmlEditService } from './htmlEditService';
export declare type ElementHtmlEditServiceOptions = {
    sanitizeHtmlOptions?: SanitizeHtmlOptions;
    simplifyStylesMaxHtmlLength?: number;
    /** Pre-process HTML before it is inserted in the DOM. */
    preProcessInsertedHtml?: (dirtyHtml: string, document?: Document) => string;
    /** Post-process HTML after standard processing (style inlining, etc.) and before it is inserted in the DOM. */
    postProcessInsertedHtml?: (cleanHtml: string) => string;
    hasTableService?: boolean;
    hasNewDeleteSelection?: boolean;
};
export declare function createElementHtmlEditService(element$: Observable<HTMLElement | null>, selectionService: ElementSelectionService, options?: ElementHtmlEditServiceOptions): HtmlEditService;
export declare class ElementHtmlEditService extends ElementService<HTMLElement> implements HtmlEditService {
    constructor(element: HTMLElement, selectionService: ElementSelectionService, options?: ElementHtmlEditServiceOptions);
    private readonly selectionService;
    private readonly sanitizeHtml;
    private readonly preProcessInsertedHtml;
    private readonly postProcessInsertedHtml;
    private readonly simplifyStylesMaxHtmlLength;
    private readonly hasTableService;
    private readonly hasNewDeleteSelection;
    insertText(text: string): void;
    insertDirtyHtml(dirtyHtml: string): void;
    insertCleanHtml(html: string): void;
    insertDeferredCleanHtml(callback: () => Promise<string | undefined>): Promise<void>;
    private insertPlaceholder;
    private findPlaceholderElement;
    private removePlaceholder;
    private replacePlaceholderWithCleanHtml;
    deleteSelection(): void;
}