import { IProperty } from '../IProperty.js';
import { IDesignItem } from '../../../item/IDesignItem.js';
import { AbstractPolymerLikePropertiesService } from './AbstractPolymerLikePropertiesService.js';
import { IPropertyGroup } from '../IPropertyGroup.js';
export declare class Lit2PropertiesService extends AbstractPolymerLikePropertiesService {
    name: string;
    isHandledElement(designItem: IDesignItem): boolean;
    getProperties(designItem: IDesignItem): Promise<IProperty[] | IPropertyGroup[]>;
    protected _notifyChangedProperty(designItem: IDesignItem, property: IProperty, value: any): void;
}
