180     public function add($prefix, $paths, $prepend = false)  argument
182         $paths = (array) $paths;
186                     $paths,
192                     $paths
201             $this->prefixesPsr0[$first][$prefix] = $paths;
207                 $paths,
213                 $paths
230     public function addPsr4($prefix, $paths, $prepend = false)  argument
232         $paths = (array) $paths;
237                     $paths,
243                     $paths
253             $this->prefixDirsPsr4[$prefix] = $paths;
257                 $paths,
264                 $paths
278     public function set($prefix, $paths)  argument
281             $this->fallbackDirsPsr0 = (array) $paths;
283             $this->prefixesPsr0[$prefix[0]][$prefix] = (array) $paths;
298     public function setPsr4($prefix, $paths)  argument
301             $this->fallbackDirsPsr4 = (array) $paths;
308             $this->prefixDirsPsr4[$prefix] = (array) $paths;