export interface SettingsOptions {
    scope: "user" | "project";
    projectDir?: string;
}
/**
 * Check if a plugin is enabled in settings.json.
 */
export declare function isPluginEnabled(pluginId: string, opts: SettingsOptions): boolean;
/**
 * List all plugin IDs currently enabled (value === true) in settings.json.
 */
export declare function listEnabledPlugins(opts: SettingsOptions): string[];
/**
 * Identify enabledPlugins entries not backed by a lockfile entry.
 *
 * Plugin IDs use `<skillName>@<marketplace>` format.
 * A plugin is stale when no lockfile skill matches by name AND marketplace.
 *
 * Returns the list of stale plugin IDs — callers are responsible for
 * uninstalling them via `claudePluginUninstall()`.
 *
 * @returns Array of stale plugin IDs
 */
export declare function purgeStalePlugins(opts: SettingsOptions, lockfileSkills: Record<string, {
    marketplace?: string;
}>): string[];