export interface InstalledPluginEntry {
    id: string;
    name: string;
    packages: string[];
    installedAt: number;
}
export declare function loadInstalledPlugins(): InstalledPluginEntry[];
export declare function saveInstalledPlugin(entry: Omit<InstalledPluginEntry, 'installedAt'>): void;
export declare function removeInstalledPlugin(pluginId: string): void;
export declare function isPluginInstalled(pluginId: string): boolean;