import type ExtensionInfo from "./ExtensionInfo.ts";
/**
 * Used by a host application to manage discovery of Extensions provided by {@link Plugin} implementations.
 */
export default interface PluginManager {
    /**
     * Scan for Plugins and register their Extensions which implement the specified Extension Point.
     *
     * @param extensionPoint the Extension Point for which to register Extensions
     */
    registerExtensions(extensionPoint: string): Promise<void>;
    /**
     * Return {@link ExtensionInfo} instances for all registered Extensions implementing the specified Extension Point.
     *
     * @param extensionPoint the Extension Point for which to return {@link ExtensionInfo} instances
     *
     * @return array of {@link ExtensionInfo}
     */
    getRegisteredExtensions(extensionPoint: string): Promise<ReadonlyArray<ExtensionInfo>>;
    /**
     * Instantiate a specific Extension.
     *
     * @param extensionHandle the opaque handle for the Extension provided by this Extension Manager instance via
     * {@link ExtensionInfo.extensionHandle}.
     * @param hostData optional data to be passed in to the Extension when instantiating it.
     *
     * @return an Extension instance implementing an Extension Point.
     */
    instantiate(extensionHandle: string, hostData?: Map<string, string>): Promise<unknown>;
}
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