import { ServiceContainer } from '@govflanders/vl-widget-dependency-injection';
import { ModuleManager } from '@govflanders/vl-widget-module';
import { PluginContext } from './context';
import { PluginFactory } from './factory';
import { Plugin } from './plugin';
/**
 * Interface which describes a plugin discovery mechanism.
 */
export interface PluginDiscovery<PluginBaseType extends Plugin = Plugin> {
    /**
     * Resolve the plugin factory.
     *
     * @param {PluginContext} pluginContext
     *   An object which describes a plugin context.
     *
     * @return {Promise<PluginFactory>}
     *   A promise to resolve the plugin factory.
     */
    resolvePluginFactory(pluginContext: PluginContext): Promise<PluginFactory<PluginBaseType>>;
}
/**
 * Plugin discovery which uses a inversion of control container.
 */
export declare class ContainerPluginDiscovery<PluginBaseType extends Plugin> implements PluginDiscovery<PluginBaseType> {
    /**
     * Holds the service container.
     *
     * @var {ServiceContainer}
     */
    protected container: ServiceContainer;
    /**
     * Holds the plugin factory service identifier.
     *
     * @var {string}
     */
    protected pluginFactoryServiceId: string;
    /**
     * Create a ContainerPluginDiscovery object.
     *
     * @param {ServiceContainer} container
     *   A service container.
     * @param {string} pluginFactoryServiceId
     *   Name of the plugin factory service.
     */
    constructor(container: ServiceContainer, pluginFactoryServiceId: string);
    /**
     * Get the service container.
     *
     * @return {ServiceContainer}
     *   A service container.
     */
    protected getContainer(): ServiceContainer;
    /**
     * Get the plugin service factory identifier.
     *
     * @return {string}
     *   The service identifier.
     */
    protected getPluginFactoryServiceId(): string;
    /**
     * Get the plugin factory from the service container.
     *
     * @param {PluginContext} pluginContext
     *   An object which represents the plugin context.
     *
     * @return {PluginFactory}
     *   An object which represents the plugin factory.
     */
    protected getPluginFactoryFromContainer(pluginContext: PluginContext): PluginFactory<PluginBaseType>;
    /**
     * {@inheritdoc}
     */
    resolvePluginFactory(pluginContext: PluginContext): Promise<PluginFactory<PluginBaseType>>;
}
/**
 * Plugin discovery which supports loading modules.
 */
export declare class ModulePluginDiscovery<PluginBaseType extends Plugin> extends ContainerPluginDiscovery<PluginBaseType> {
    /**
     * Holds the module manager.
     *
     * @var {ModuleManager}
     */
    protected moduleManager: ModuleManager;
    /**
     * Create ModulePluginDiscovery object.
     *
     * @param {ModuleManager} moduleManager
     *   The module manager.
     * @param {ServiceContainer} container
     *   A service container.
     * @param {string} pluginFactoryServiceId
     *   Name of the plugin factory service.
     */
    constructor(moduleManager: ModuleManager, container: ServiceContainer, pluginFactoryServiceId: string);
    /**
     * Get the module manager.
     *
     * @return {ModuleManager}
     *   The module manager.
     */
    protected getModuleManager(): ModuleManager;
    /**
     * {@inheritdoc}
     */
    resolvePluginFactory(pluginContext: PluginContext): Promise<PluginFactory<PluginBaseType>>;
}