@Override
    public void setWorkingDirectory(Optional<Path> workingDirectory) {
        this.workingDirectory = workingDirectory;
    }
Resolve a file to a valid base browsing directory
@param referenceFile The base directory or a child file that should be used as a browsing base path
@return A valid directory's File object
src/main/java/com/kodedu/service/impl/DirectoryServiceImpl.java