import { Sysl } from "../tools/sysl";
import { File, PluginClientOptions, PluginConfig, PluginManifest } from "./types";
export type PluginFetchOptions = {
    /** Where to fetch plugins from. */
    remoteUrl?: string;
    /** Whether to require strict SSL when fetching network plugins. */
    strictSsl?: boolean;
};
/** Discovers available plugins on the user's machine and known network locations. */
export declare class PluginLocator {
    /** Returns all discoverable plugins in order of precedence. */
    static all(sysl: Sysl, extensionPath: string, workspaceDirs: string[], globalStoragePath: string, options?: PluginClientOptions, fetchOptions?: PluginFetchOptions): Promise<PluginConfig[]>;
    /** Returns all local plugins that can be discovered in the workspace. */
    static localPlugins(sysl: Sysl, workspaceDirs: string[], options?: PluginClientOptions): Promise<PluginConfig[]>;
    /** Returns all plugins that are built into the extension. */
    static builtin(extensionPath: string, options?: PluginClientOptions): Promise<PluginConfig[]>;
    /** Returns all plugins that can be discovered on the network. */
    static networkPlugins(globalStoragePath: string, fetchOptions: PluginFetchOptions, pluginOptions?: PluginClientOptions): Promise<PluginConfig[]>;
}
/**
 * Returns a list of plugins rooted at the plugin defined at `url`.
 *
 * Each plugin is downloaded and extracted to `dir`, and `archive`-kind plugins are recursively
 * resolved.
 */
export declare function resolvePlugins(dir: string, url: string, options?: PluginClientOptions, fetchOptions?: PluginFetchOptions, urls?: string[]): Promise<PluginManifest[]>;
/** Returns an array of plugin manifests describing the plugins implemented by files. */
export declare function extractPlugins(dir: string, files: File[]): PluginManifest[];