diff --git a/src/ncc/Classes/PackageReader.php b/src/ncc/Classes/PackageReader.php
index 26ef095..e61b5a8 100644
--- a/src/ncc/Classes/PackageReader.php
+++ b/src/ncc/Classes/PackageReader.php
@@ -320,7 +320,7 @@
          */
         public function getAssembly(): Assembly
         {
-            $directory = sprintf('@%s', PackageDirectory::ASSEMBLY);
+            $directory = sprintf('@%s', PackageDirectory::ASSEMBLY->value);
 
             if(isset($this->cache[$directory]))
             {
@@ -346,7 +346,7 @@
          */
         public function getMetadata(): Metadata
         {
-            $directory = sprintf('@%s', PackageDirectory::METADATA);
+            $directory = sprintf('@%s', PackageDirectory::METADATA->value);
 
             if(isset($this->cache[$directory]))
             {
@@ -375,7 +375,7 @@
          */
         public function getInstaller(): ?Installer
         {
-            $directory = sprintf('@%s', PackageDirectory::INSTALLER);
+            $directory = sprintf('@%s', PackageDirectory::INSTALLER->value);
 
             if(isset($this->cache[$directory]))
             {
@@ -400,7 +400,7 @@
         public function getDependencies(): array
         {
             $dependencies = [];
-            $directory = sprintf('@%s:', PackageDirectory::DEPENDENCIES);
+            $directory = sprintf('@%s:', PackageDirectory::DEPENDENCIES->value);
 
             foreach($this->headers[PackageStructure::DIRECTORY->value] as $name => $location)
             {
@@ -422,7 +422,7 @@
          */
         public function getDependency(string $name): Dependency
         {
-            $dependency_name = sprintf('@%s:%s', PackageDirectory::DEPENDENCIES, $name);
+            $dependency_name = sprintf('@%s:%s', PackageDirectory::DEPENDENCIES->value, $name);
             if(!isset($this->headers[PackageStructure::DIRECTORY->value[$dependency_name]]))
             {
                 throw new ConfigurationException(sprintf('Dependency \'%s\' not found in package', $name));
@@ -452,7 +452,7 @@
         public function getExecutionUnits(): array
         {
             $execution_units = [];
-            $directory = sprintf('@%s:', PackageDirectory::EXECUTION_UNITS);
+            $directory = sprintf('@%s:', PackageDirectory::EXECUTION_UNITS->value);
 
             foreach($this->headers[PackageStructure::DIRECTORY->value] as $name => $location)
             {
@@ -474,7 +474,7 @@
          */
         public function getExecutionUnit(string $name): ExecutionUnit
         {
-            $execution_unit_name = sprintf('@%s:%s', PackageDirectory::EXECUTION_UNITS, $name);
+            $execution_unit_name = sprintf('@%s:%s', PackageDirectory::EXECUTION_UNITS->value, $name);
             if(!isset($this->headers[PackageStructure::DIRECTORY->value[$execution_unit_name]]))
             {
                 throw new ConfigurationException(sprintf('Execution unit \'%s\' not found in package', $name));
@@ -504,7 +504,7 @@
         public function getComponents(): array
         {
             $components = [];
-            $directory = sprintf('@%s:', PackageDirectory::COMPONENTS);
+            $directory = sprintf('@%s:', PackageDirectory::COMPONENTS->value);
 
             foreach($this->headers[PackageStructure::DIRECTORY->value] as $name => $location)
             {
@@ -525,7 +525,7 @@
         public function getClassMap(): array
         {
             $class_map = [];
-            $directory = sprintf('@%s:', PackageDirectory::CLASS_POINTER);
+            $directory = sprintf('@%s:', PackageDirectory::CLASS_POINTER->value);
 
             foreach($this->headers[PackageStructure::DIRECTORY->value] as $name => $location)
             {
@@ -547,7 +547,7 @@
          */
         public function getComponent(string $name): Component
         {
-            $component_name = sprintf('@%s:%s', PackageDirectory::COMPONENTS, $name);
+            $component_name = sprintf('@%s:%s', PackageDirectory::COMPONENTS->value, $name);
             if(!isset($this->headers[PackageStructure::DIRECTORY->value][$component_name]))
             {
                 throw new ConfigurationException(sprintf('Component \'%s\' not found in package', $name));
@@ -578,7 +578,7 @@
          */
         public function getComponentByClass(string $class): Component
         {
-            $class_name = sprintf('@%s:%s', PackageDirectory::CLASS_POINTER, $class);
+            $class_name = sprintf('@%s:%s', PackageDirectory::CLASS_POINTER->value, $class);
             if(!isset($this->headers[PackageStructure::DIRECTORY->value[$class_name]]))
             {
                 throw new ConfigurationException(sprintf('Class map \'%s\' not found in package', $class));
@@ -595,7 +595,7 @@
         public function getResources(): array
         {
             $resources = [];
-            $directory = sprintf('@%s:', PackageDirectory::RESOURCES);
+            $directory = sprintf('@%s:', PackageDirectory::RESOURCES->value);
 
             foreach($this->headers[PackageStructure::DIRECTORY->value] as $name => $location)
             {
@@ -617,7 +617,7 @@
          */
         public function getResource(string $name): Resource
         {
-            $resource_name = sprintf('@%s:%s', PackageDirectory::RESOURCES, $name);
+            $resource_name = sprintf('@%s:%s', PackageDirectory::RESOURCES->value, $name);
             if(!isset($this->headers[PackageStructure::DIRECTORY->value[$resource_name]]))
             {
                 throw new ConfigurationException(sprintf('Resource \'%s\' not found in package', $name));
diff --git a/src/ncc/Classes/PackageWriter.php b/src/ncc/Classes/PackageWriter.php
index 440bd38..3e53fb9 100644
--- a/src/ncc/Classes/PackageWriter.php
+++ b/src/ncc/Classes/PackageWriter.php
@@ -272,7 +272,7 @@
          */
         public function setAssembly(Assembly $assembly): array
         {
-            return $this->add(sprintf('@%s', PackageDirectory::ASSEMBLY), ZiProto::encode($assembly->toArray(true)));
+            return $this->add(sprintf('@%s', PackageDirectory::ASSEMBLY->value), ZiProto::encode($assembly->toArray(true)));
         }
 
         /**
@@ -283,7 +283,7 @@
          */
         public function setMetadata(Metadata $metadata): array
         {
-            return $this->add(sprintf('@%s', PackageDirectory::METADATA), ZiProto::encode($metadata->toArray(true)));
+            return $this->add(sprintf('@%s', PackageDirectory::METADATA->value), ZiProto::encode($metadata->toArray(true)));
         }
 
         /**
@@ -294,7 +294,7 @@
          */
         public function setInstaller(Installer $installer): array
         {
-            return $this->add(sprintf('@%s', PackageDirectory::INSTALLER), ZiProto::encode($installer->toArray(true)));
+            return $this->add(sprintf('@%s', PackageDirectory::INSTALLER->value), ZiProto::encode($installer->toArray(true)));
         }
 
         /**
@@ -305,7 +305,7 @@
          */
         public function addDependencyConfiguration(Dependency $dependency): array
         {
-            return $this->add(sprintf('@%s:%s', PackageDirectory::DEPENDENCIES, $dependency->getName()), ZiProto::encode($dependency->toArray(true)));
+            return $this->add(sprintf('@%s:%s', PackageDirectory::DEPENDENCIES->value, $dependency->getName()), ZiProto::encode($dependency->toArray(true)));
         }
 
         /**
@@ -316,7 +316,7 @@
          */
         public function addExecutionUnit(ExecutionUnit $unit): array
         {
-            return $this->add(sprintf('@%s:%s', PackageDirectory::EXECUTION_UNITS, $unit->getExecutionPolicy()->getName()), ZiProto::encode($unit->toArray(true)));
+            return $this->add(sprintf('@%s:%s', PackageDirectory::EXECUTION_UNITS->value, $unit->getExecutionPolicy()->getName()), ZiProto::encode($unit->toArray(true)));
         }
 
         /**
@@ -327,7 +327,7 @@
          */
         public function addComponent(Component $component): array
         {
-            return $this->add(sprintf('@%s:%s', PackageDirectory::COMPONENTS, $component->getName()), ZiProto::encode($component->toArray(true)));
+            return $this->add(sprintf('@%s:%s', PackageDirectory::COMPONENTS->value, $component->getName()), ZiProto::encode($component->toArray(true)));
         }
 
         /**
@@ -338,7 +338,7 @@
          */
         public function addResource(Resource $resource): array
         {
-            return $this->add(sprintf('@%s:%s', PackageDirectory::RESOURCES, $resource->getName()), ZiProto::encode($resource->toArray(true)));
+            return $this->add(sprintf('@%s:%s', PackageDirectory::RESOURCES->value, $resource->getName()), ZiProto::encode($resource->toArray(true)));
         }
 
         /**
@@ -351,7 +351,7 @@
          */
         public function mapClass(string $class, int $offset, int $length): void
         {
-            $this->addPointer(sprintf('@%s:%s', PackageDirectory::CLASS_POINTER, $class), $offset, $length);
+            $this->addPointer(sprintf('@%s:%s', PackageDirectory::CLASS_POINTER->value, $class), $offset, $length);
         }
 
         /**
@@ -372,10 +372,10 @@
 
                 switch((int)substr(explode(':', $name, 2)[0], 1))
                 {
-                    case PackageDirectory::METADATA:
-                    case PackageDirectory::ASSEMBLY:
-                    case PackageDirectory::INSTALLER:
-                    case PackageDirectory::EXECUTION_UNITS:
+                    case PackageDirectory::METADATA->value:
+                    case PackageDirectory::ASSEMBLY->value:
+                    case PackageDirectory::INSTALLER->value:
+                    case PackageDirectory::EXECUTION_UNITS->value:
                         Console::outDebug(sprintf('Skipping %s', $name));
                         break;
 
diff --git a/src/ncc/Classes/Runtime.php b/src/ncc/Classes/Runtime.php
index ef2e9a5..f112f6a 100644
--- a/src/ncc/Classes/Runtime.php
+++ b/src/ncc/Classes/Runtime.php
@@ -480,8 +480,8 @@
 
                     return match (Resolver::componentType($acquired_file))
                     {
-                        PackageDirectory::RESOURCES => self::$imported_packages[$package]->getResource(Resolver::componentName($acquired_file))->getData(),
-                        PackageDirectory::COMPONENTS => self::$imported_packages[$package]->getComponent(Resolver::componentName($acquired_file))->getData([ComponentDecodeOptions::AS_FILE]),
+                        PackageDirectory::RESOURCES->value => self::$imported_packages[$package]->getResource(Resolver::componentName($acquired_file))->getData(),
+                        PackageDirectory::COMPONENTS->value => self::$imported_packages[$package]->getComponent(Resolver::componentName($acquired_file))->getData([ComponentDecodeOptions::AS_FILE]),
                         default => throw new IOException(sprintf('Unable to acquire file "%s" from package "%s" because it is not a resource or component', $path, $package)),
                     };
                 }
diff --git a/src/ncc/Enums/PackageDirectory.php b/src/ncc/Enums/PackageDirectory.php
index 42c2a02..8e76947 100644
--- a/src/ncc/Enums/PackageDirectory.php
+++ b/src/ncc/Enums/PackageDirectory.php
@@ -22,21 +22,21 @@
 
     namespace ncc\Enums;
 
-    final class PackageDirectory
+    enum PackageDirectory : int
     {
-        public const ASSEMBLY = 0x61737365;
+        case ASSEMBLY = 0x61737365;
 
-        public const METADATA = 0x6D657461;
+        case METADATA = 0x6D657461;
 
-        public const INSTALLER = 0x696E7374;
+        case INSTALLER = 0x696E7374;
 
-        public const DEPENDENCIES = 0x64657065;
+        case DEPENDENCIES = 0x64657065;
 
-        public const EXECUTION_UNITS = 0x65786563;
+        case EXECUTION_UNITS = 0x65786563;
 
-        public const COMPONENTS = 0x636F6D70;
+        case COMPONENTS = 0x636F6D70;
 
-        public const RESOURCES = 0x7265736F;
+        case RESOURCES = 0x7265736F;
 
-        public const CLASS_POINTER = 0x636C6173;
+        case CLASS_POINTER = 0x636C6173;
     }
\ No newline at end of file
diff --git a/src/ncc/Utilities/Resolver.php b/src/ncc/Utilities/Resolver.php
index 2c63853..ddca134 100644
--- a/src/ncc/Utilities/Resolver.php
+++ b/src/ncc/Utilities/Resolver.php
@@ -284,16 +284,17 @@
                 throw new InvalidArgumentException(sprintf('Invalid component prefix "%s"', $file_stub_code));
             }
 
+            // TODO: What the hell is this?
             return match ((int)$file_stub_code)
             {
-                PackageDirectory::METADATA => PackageDirectory::METADATA,
-                PackageDirectory::ASSEMBLY => PackageDirectory::ASSEMBLY,
-                PackageDirectory::EXECUTION_UNITS => PackageDirectory::EXECUTION_UNITS,
-                PackageDirectory::INSTALLER => PackageDirectory::INSTALLER,
-                PackageDirectory::DEPENDENCIES => PackageDirectory::DEPENDENCIES,
-                PackageDirectory::CLASS_POINTER => PackageDirectory::CLASS_POINTER,
-                PackageDirectory::RESOURCES => PackageDirectory::RESOURCES,
-                PackageDirectory::COMPONENTS => PackageDirectory::COMPONENTS,
+                PackageDirectory::METADATA->value => PackageDirectory::METADATA->value,
+                PackageDirectory::ASSEMBLY->value => PackageDirectory::ASSEMBLY->value,
+                PackageDirectory::EXECUTION_UNITS->value => PackageDirectory::EXECUTION_UNITS->value,
+                PackageDirectory::INSTALLER->value => PackageDirectory::INSTALLER->value,
+                PackageDirectory::DEPENDENCIES->value => PackageDirectory::DEPENDENCIES->value,
+                PackageDirectory::CLASS_POINTER->value => PackageDirectory::CLASS_POINTER->value,
+                PackageDirectory::RESOURCES->value => PackageDirectory::RESOURCES->value,
+                PackageDirectory::COMPONENTS->value => PackageDirectory::COMPONENTS->value,
                 default => throw new InvalidArgumentException(sprintf('Invalid component type "%s"', $component_path)),
             };
         }