import type ExtensionPointRegistry from "../api/registry/ExtensionPointRegistry.ts";
import type ExtensionRegistry from "../api/registry/ExtensionRegistry.ts";
import type PluginManager from "../api/plugin_manager/PluginManager.ts";
import type ExtensionInfo from "../api/plugin_manager/ExtensionInfo.ts";
import type PluginRepository from "../api/plugin_repository/PluginRepository.ts";
/**
 * Default implementation of a {@link PluginManager}.
 */
export default class DefaultPluginManager implements PluginManager {
    private readonly pluginRepositories;
    private readonly extensionPointRegistry;
    private readonly extensionRegistry;
    private readonly pluginRepositoriesByExtensionHandle;
    /**
     * Constructor configures the instance using the optionally specified
     * {@link ExtensionPointRegistry} and {@link ExtensionRegistry}.
     *
     * @param pluginRepositories One or more {@link PluginRepository} instances to use for plugin discovery.
     * @param extensionPointRegistry optional {@link ExtensionPointRegistry} implementation. Defaults to using
     * InMemoryExtensionPointRegistry.
     * @param extensionRegistry optional {@link ExtensionRegistry} implementation. Defaults to using
     * InMemoryExtensionRegistry
     */
    constructor(pluginRepositories: Array<PluginRepository>, extensionPointRegistry?: ExtensionPointRegistry, extensionRegistry?: ExtensionRegistry);
    registerExtensions(extensionPoint: string): Promise<void>;
    getRegisteredExtensions(extensionPoint: string): Promise<ReadonlyArray<ExtensionInfo>>;
    /**
     * @inheritDoc
     *
     * @throws *Error* if the specified Extension Handle is unknown
     */
    instantiate(extensionHandle: string, hostData?: Map<string, string>): Promise<unknown>;
}
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