export interface SkillFilesystemWatcherOptions {
    onChange: (event: {
        reason: 'watch';
        changedPath?: string;
    }) => void;
    /** Dependency-injection override for the ~/.agents/skills compatibility root. */
    agentsSkillsDir?: string;
}
export declare class SkillFilesystemWatcher {
    private readonly targets;
    private readonly onChange;
    private readonly agentsSkillsDir;
    private disposed;
    constructor(options: SkillFilesystemWatcherOptions);
    watchGlobalSkillsDir(): void;
    watchAgentsGlobalSkillsDir(): void;
    watchWorkspace(workspaceDir: string): void;
    refreshPrimaryWorkspace(workspaceDir: string): void;
    dispose(): void;
    private watchRoot;
    private unwatch;
    private scheduleRefresh;
}