import { PluginLookup } from './lookup';
import { Plugin } from './plugin';
/**
 * Interface which describes a plugin registry.
 */
export interface PluginRegistry<PluginBaseType extends Plugin = Plugin> extends PluginLookup<PluginBaseType> {
    /**
     * Get a value indicating whether the plugin is present.
     *
     * @param {string} id
     *   A plugin identifier.
     *
     * @return {boolean}
     *   True if the plugin is present, otherwise false.
     */
    has(id: string): boolean;
    /**
     * Get a plugin with given identifier.
     *
     * @param {string} id
     *   A plugin identifier.
     *
     * @return {Plugin|null}
     */
    get<PluginType extends PluginBaseType = PluginBaseType>(id: string): PluginType | null;
}