import type { Config } from "./config.js";
type WatchOptions = {
    /**
     * The resolved gen-x configuration. Loaded once at startup to avoid
     * repeated esbuild transforms on every file change.
     */
    config: Config;
    /**
     * The path to the package.json file to write exports to.
     */
    packageJsonPath: string;
    /**
     * An AbortSignal to stop watching and clean up the file watcher.
     * Similar to a React useEffect cleanup function.
     */
    signal?: AbortSignal;
};
/**
 * Start watching the input directory for file changes and regenerate
 * package.json#exports automatically. Runs an initial generation, then
 * watches for subsequent changes.
 *
 * Pass an AbortSignal to stop watching. The signal is forwarded to
 * `fs.watch`, which closes the watcher when aborted.
 */
declare function startWatch({ config, packageJsonPath, signal }: WatchOptions): Promise<void>;
/**
 * Watch the input directory for file changes and regenerate package.json#exports
 * automatically. Runs an initial generation, then blocks indefinitely until the
 * process is terminated via SIGINT or SIGTERM.
 */
declare function watch(options: Omit<WatchOptions, "signal">): Promise<void>;
export { startWatch, watch, };
export type { WatchOptions, };