export interface WatchFileOptions {
    cwd: string;
    patterns: string[];
    delay: number;
    onChange: (changes: FileChanges) => Promise<void>;
    onError?: (error: unknown) => void;
}
export interface FileChanges {
    readonly updated: string[];
    readonly removed: string[];
}
export declare function watchFiles(options: WatchFileOptions): () => Promise<void>;
export interface FindFileOptions {
    cwd: string;
    patterns: string[];
}
export declare function findFiles(options: FindFileOptions): Promise<string[]>;