import { BuddyRenderOptions, ExportData, ValidationResult, WidgetContext } from './types';
export default abstract class BaseWidget {
    protected readonly context: WidgetContext;
    constructor(context: WidgetContext);
    abstract init(): Promise<void>;
    abstract render(domElement: HTMLDivElement): void;
    /** Render function for the widget buddy component.
     *  @param domElement The DOM element to render into.
     *  @param options Slot information from the host (e.g. whether the slot has
     *      room for richer rendering than the standard buddy button). The
     *      argument is optional for backwards compatibility — older hosts may
     *      call `renderBuddy` without it.
     *  @returns Whether or not the buddy is using custom rendering.
     */
    renderBuddy?(domElement: HTMLDivElement, options?: BuddyRenderOptions): boolean;
    verifyPersistedUserConfiguration?(config: string): Promise<boolean>;
    renderUserConfigurationForm?(domElement: HTMLDivElement): void;
    validateUserConfigurationForm?(): ValidationResult;
    getSerializedUserConfiguration?(): string;
    verifyPersistedAdminConfiguration?(config: string): Promise<boolean>;
    renderAdminConfigurationForm?(domElement: HTMLDivElement): void;
    validateAdminConfigurationForm?(): ValidationResult;
    getSerializedAdminConfiguration?(): string;
    importData?(exportData: ExportData): Promise<void>;
    exportData?(): Promise<ExportData>;
    updateDataAccess?(from: string[], to: string[]): Promise<void>;
    cleanupResources?(): void;
}