export declare function memoize<const Fn extends (input: string, ...args: any[]) => Promise<any>>(fn: Fn): (input: string, ...args: any[]) => Promise<any>;
/** List filtered top-level files in `targetPath` (returns absolute paths) */
export declare function listFilesSorted(targetPath: string, filter: (basename: string) => boolean): Promise<string[]>;
/** List nested files in top-level directories in `targetPath` (returns relative paths) */
export declare function listFilesInDirectories(targetPath: string, filter: (basename: string) => boolean): Promise<string[]>;
/** Iterate folders recursively for files, optionally sorting results and filtering directories */
export declare function scanFilesRecursively(parentPath: string, includeDirectory?: (parentPath: string, name: string) => boolean, sort?: boolean): AsyncGenerator<{
    readonly path: string;
    readonly parentPath: string;
    readonly name: string;
}, void, unknown>;
export declare const fileExistsAsync: (file: string) => Promise<string | null>;