import { type ComponentConstructor, type ComponentInstance } from "./Component.js";
/**
* Define a component class.
* @param name The name of the custom element.
* @param ctr The component class to define.
* @param options The custom element options.
* @returns The decorated component class.
* @throws If the name has already been registered.
* @throws An error if the component is already defined.
*/
export declare function define<
	T extends ComponentInstance,
	C extends ComponentConstructor<T>
>(name: string, ctr: C, options?: ElementDefinitionOptions, finalizeConstructor?: boolean): C;
/**
* Decorate and define a component class.
* @param name The name of the custom element.
* @param options The custom element options.
* @returns The decorated component class.
*/
export declare const customElement: (name: string, options?: ElementDefinitionOptions) => <T extends ComponentConstructor>(classOrDescriptor: T, context?: ClassDecoratorContext) => any;