code: protected function pathIsDescandantOrEqual(
          $workingPath,
          $ancestor,
          $descendant
      ) {
          $this->typeCheck->pathIsDescandantOrEqual(func_get_args());
  
          $ancestor = $this->normalizePath($workingPath, $ancestor);
          $descendant = $this->normalizePath($workingPath, $descendant);
  
          return 0 === strpos($descendant, $ancestor);
      }
docs: @param string $workingPath
  @param string $ancestor
  @param string $descendant
  
  @return boolean