import { Type } from '@tsdi/ioc';
import { IComponentMetadata } from './IComponentMetadata';
/**
 * Component decorator
 *
 * @export
 * @interface IComponentDecorator
 */
export interface IComponentDecorator {
    /**
     * Component decorator, define for class. use to define the class. it can setting provider to some token, singleton or not. it will execute  [`ComponentLifecycle`]
     *
     * @Component
     *
     * @param {IComponentMetadata} [metadata] metadata map.
     */
    (metadata?: IComponentMetadata): ClassDecorator;
    /**
     * Component decorator, use to define class as Component element.
     *
     * @Task
     * @param {string} selector metadata selector.
     */
    (selector: string): ClassDecorator;
    /**
     * Component decorator, define for class. use to define the class. it can setting provider to some token, singleton or not. it will execute  [`ComponentLifecycle`]
     *
     * @Component
     */
    (target: Type): void;
}
/**
 * Component decorator, define for class. use to define the class as Component. it can setting provider to some token, singleton or not. it will execute  [`ComponentLifecycle`]
 *
 * @Component
 */
export declare const Component: IComponentDecorator;