/**
 * Error that indicates that a watcher is (already) started
 */
export declare class WatcherStarted extends Error {
    constructor(name: string);
}
/**
 * Error that indicates that a watcher is (already) stopped
 */
export declare class WatcherStopped extends Error {
    constructor(name: string);
}
/**
 * Error that indicates that a watcher has an invalid config
 */
export declare class InvalidWatcherConfig extends Error {
    constructor(name: string);
}