import { Constructor, WidgetProperties } from '../interfaces';
import { CustomElementChildType } from '../registerCustomElement';
import Registry from '../Registry';
export declare type CustomElementPropertyNames<P extends object> = ((keyof P) | (keyof WidgetProperties))[];
/**
 * Defines the custom element configuration used by the customElement decorator
 */
export interface CustomElementConfig<P extends object = {
    [index: string]: any;
}> {
    /**
     * The tag of the custom element
     */
    tag: string;
    /**
     * List of widget properties to expose as properties on the custom element
     */
    properties?: CustomElementPropertyNames<P>;
    /**
     * List of attributes on the custom element to map to widget properties
     */
    attributes?: CustomElementPropertyNames<P>;
    /**
     * List of events to expose
     */
    events?: CustomElementPropertyNames<P>;
    childType?: CustomElementChildType;
    registryFactory?: () => Registry;
}
/**
 * This Decorator is provided properties that define the behavior of a custom element, and
 * registers that custom element.
 */
export declare function customElement<P extends object = {
    [index: string]: any;
}>({tag, properties, attributes, events, childType, registryFactory}: CustomElementConfig<P>): <T extends Constructor<any>>(target: T) => void;
export default customElement;