| 
                                 21.43% 
             | 
    ↗ | 
                                 100% 
             | 
    FileSystemReader improved | 
| 
                                 2 
             | 
    ↘ | 
                                 1 
             | 
    FileSystemReader::isReadable() improved | 
| 
                                 2 
             | 
    ↘ | 
                                 1 
             | 
    FileSystemReader::read() improved | 
| 
                                 12 
             | 
    ↘ | 
                                 3 
             | 
    FileSystemReader::validate() improved |