Copy the given source path recursively to the target path
Check if a folder has changed
Get a unique cache for a directory
Get a unique hash for a DirEntry https://github.com/WebFreak001/FSWatch/blob/1925700c64d9a26fbb2a6231b2cf94dc343800a4/source/fswatch.d#L38
Move the given source path recursively to the target path
Force remove the given directory recursively