import { Assign } from "utility-types";
import { Narrow } from "../utils.js";
declare type TypedCustomEvent<N extends string, T> = Narrow<CustomEvent, {
    type: N;
    detail?: T;
}>;
export declare function CreateCustomEvent<N extends string, T>(type: N, eventInit?: CustomEventInit<T>): TypedCustomEvent<N, T>;
export declare type CustomEvents = {
    [x: string]: any;
};
declare type EventDispatcher<E extends CustomEvents = {}> = {
    dispatchEvent<K extends Extract<keyof E, string>>(event: TypedCustomEvent<K, E[K]>): boolean;
};
export declare type EventListener<E extends CustomEvents = {}> = {
    addEventListener<K extends Extract<keyof E, string>>(type: K, listener: (e: Narrow<CustomEvent, {
        detail: E[K];
    }>) => void, options?: boolean | AddEventListenerOptions): void;
};
export declare type CustomElement<P extends object = {}, E extends CustomEvents = {}> = Assign<HTMLElement, P & EventDispatcher<E>>;
export declare type CustomElementDefinition<P extends object = {}, E extends CustomEvents = {}> = (this: CustomElement<P, E>, props: P) => any;
export declare type ControlProps<P extends object = {}> = Assign<{
    name: string;
    label: any;
    value?: any;
    errMsg?: any;
}, P>;
export {};