diff --git a/composer.json b/composer.json
index 6f1cb73..9281f45 100644
--- a/composer.json
+++ b/composer.json
@@ -26,7 +26,8 @@
         "laravel/pint": "^1.18",
         "orchestra/testbench": "^9.5",
         "pestphp/pest": "^3.2",
-        "pestphp/pest-plugin-laravel": "^3.0"
+        "pestphp/pest-plugin-laravel": "^3.0",
+        "pestphp/pest-plugin-type-coverage": "^3.1"
     },
     "autoload": {
         "psr-4": {
diff --git a/src/Commands/GenerateEnumsCommand.php b/src/Commands/GenerateEnumsCommand.php
index 6efd219..e3b5d7f 100644
--- a/src/Commands/GenerateEnumsCommand.php
+++ b/src/Commands/GenerateEnumsCommand.php
@@ -17,6 +17,7 @@
 use ReflectionEnum;
 use Symfony\Component\Console\Attribute\AsCommand;
 use Symfony\Component\Console\Input\InputOption;
+use UnitEnum;
 
 #[AsCommand(name: 'paragon:generate-enums', description: 'Generate Typescript versions of existing PHP enums')]
 class GenerateEnumsCommand extends Command
@@ -29,7 +30,7 @@ public function handle(): int
         $builder = $this->builder();
 
         $generatedEnums = $this->enums()
-            ->map(fn ($enum) => app(EnumGenerator::class, ['enum' => $enum, 'builder' => $builder])())
+            ->map(fn (string $enum) => app(EnumGenerator::class, ['enum' => $enum, 'builder' => $builder])())
             ->filter();
 
         $this->components->info("{$generatedEnums->count()} enums have been (re)generated.");
@@ -44,12 +45,12 @@ public function handle(): int
     /**
      * Gather all enum namespaces for searching.
      *
-     * @return Collection<int,class-string<\UnitEnum>>
+     * @return Collection<int,class-string<UnitEnum>>
      */
     protected function enums(): Collection
     {
         return DiscoverEnums::within(app_path(config()->string('paragon.enums.paths.php')))
-            ->reject(function ($enum) {
+            ->reject(function (string $enum) {
                 if (! enum_exists($enum)) {
                     return true;
                 }
@@ -72,7 +73,7 @@ protected function builder(): EnumBuilder
         $builder = match (true) {
             $this->option('javascript') => EnumJsBuilder::class,
             $this->option('typescript') => EnumTsBuilder::class,
-            default => GenerateAs::from(config('paragon.generate-as'))?->builder()
+            default => GenerateAs::from(config()->string('paragon.generate-as'))->builder()
         };
 
         return app($builder);
diff --git a/src/Commands/MakeEnumMethodCommand.php b/src/Commands/MakeEnumMethodCommand.php
index d8a8819..55f27d7 100644
--- a/src/Commands/MakeEnumMethodCommand.php
+++ b/src/Commands/MakeEnumMethodCommand.php
@@ -21,8 +21,8 @@ class MakeEnumMethodCommand extends GeneratorCommand
     /**
      * Execute the console command.
      *
-     * @throws FileNotFoundException
      * @throws Exception
+     * @throws FileNotFoundException
      */
     public function handle(): ?bool
     {
diff --git a/src/Concerns/Builders/EnumJsBuilder.php b/src/Concerns/Builders/EnumJsBuilder.php
index 53d98bf..11faa06 100644
--- a/src/Concerns/Builders/EnumJsBuilder.php
+++ b/src/Concerns/Builders/EnumJsBuilder.php
@@ -3,6 +3,7 @@
 namespace Kirschbaum\Paragon\Concerns\Builders;
 
 use BackedEnum;
+use ReflectionEnumBackedCase;
 use ReflectionEnumUnitCase;
 use ReflectionMethod;
 
@@ -35,7 +36,7 @@ public function fileExtension(): string
     /**
      * Prepare the method and its respective values so it can get injected into the case object.
      */
-    public function caseMethod(ReflectionMethod $method, ReflectionEnumUnitCase $case): string
+    public function caseMethod(ReflectionMethod $method, ReflectionEnumUnitCase|ReflectionEnumBackedCase $case): string
     {
         $value = $case->getValue()->{$method->getName()}();
         $class = class_basename($method->getDeclaringClass()->getName());
@@ -53,7 +54,7 @@ public function caseMethod(ReflectionMethod $method, ReflectionEnumUnitCase $cas
     /**
      * Assemble the static getter method code for the enum case object.
      */
-    public function assembleCaseGetter(ReflectionEnumUnitCase $case): string
+    public function assembleCaseGetter(ReflectionEnumUnitCase|ReflectionEnumBackedCase $case): string
     {
         return <<<JS
             static get {$case->name}() {
diff --git a/src/Concerns/Builders/EnumTsBuilder.php b/src/Concerns/Builders/EnumTsBuilder.php
index e3dc99f..9354de1 100644
--- a/src/Concerns/Builders/EnumTsBuilder.php
+++ b/src/Concerns/Builders/EnumTsBuilder.php
@@ -3,6 +3,7 @@
 namespace Kirschbaum\Paragon\Concerns\Builders;
 
 use BackedEnum;
+use ReflectionEnumBackedCase;
 use ReflectionEnumUnitCase;
 use ReflectionMethod;
 
@@ -35,7 +36,7 @@ public function fileExtension(): string
     /**
      * Prepare the method and its respective values so it can get injected into the case object.
      */
-    public function caseMethod(ReflectionMethod $method, ReflectionEnumUnitCase $case): string
+    public function caseMethod(ReflectionMethod $method, ReflectionEnumUnitCase|ReflectionEnumBackedCase $case): string
     {
         $value = $case->getValue()->{$method->getName()}();
         $class = class_basename($method->getDeclaringClass()->getName());
@@ -53,7 +54,7 @@ public function caseMethod(ReflectionMethod $method, ReflectionEnumUnitCase $cas
     /**
      * Assemble the static getter method code for the enum case object.
      */
-    public function assembleCaseGetter(ReflectionEnumUnitCase $case): string
+    public function assembleCaseGetter(ReflectionEnumUnitCase|ReflectionEnumBackedCase $case): string
     {
         $class = class_basename($case->getDeclaringClass()->name);
 
diff --git a/src/Concerns/DiscoverEnums.php b/src/Concerns/DiscoverEnums.php
index cc1b980..1ccf98d 100644
--- a/src/Concerns/DiscoverEnums.php
+++ b/src/Concerns/DiscoverEnums.php
@@ -7,15 +7,16 @@
 use ReflectionException;
 use SplFileInfo;
 use Symfony\Component\Finder\Finder;
+use UnitEnum;
 
 class DiscoverEnums
 {
     /**
      * Get all the enums by searching the given directory.
      *
-     * @param  array<int,string>|string  $path
+     * @param  array<int, string>|string  $path
      *
-     * @return Collection<class-string<\UnitEnum>,class-string<\UnitEnum>>
+     * @return Collection<class-string<UnitEnum>, class-string<UnitEnum>>
      */
     public static function within(array|string $path): Collection
     {
@@ -25,13 +26,15 @@ public static function within(array|string $path): Collection
     /**
      * Filter the files down to only enums.
      *
-     * @param  Finder<string,SplFileInfo>  $files
+     * @param  Finder<string, SplFileInfo>  $files
      *
-     * @return Collection<class-string<\UnitEnum>,class-string<\UnitEnum>>
+     * @return Collection<class-string<UnitEnum>, class-string<UnitEnum>>
      */
     protected static function getEnums(Finder $files): Collection
     {
-        /** @var Collection<int, SplFileInfo> $fileCollection */
+        /**
+         * @var Collection<int, SplFileInfo> $fileCollection
+         */
         $fileCollection = collect($files);
 
         return $fileCollection
@@ -56,11 +59,13 @@ protected static function getEnums(Finder $files): Collection
     /**
      * Extract the class name from the given file path.
      *
-     * @return class-string<\UnitEnum>
+     * @return class-string<UnitEnum>
      */
     protected static function classFromFile(SplFileInfo $file): string
     {
-        /** @var class-string<\UnitEnum> */
+        /**
+         * @var class-string<UnitEnum>
+         */
         return str($file->getRealPath())
             ->replaceFirst(base_path(), '')
             ->trim(DIRECTORY_SEPARATOR)
diff --git a/src/Generators/AbstractEnumGenerator.php b/src/Generators/AbstractEnumGenerator.php
index 6241dc1..6e2ff0b 100644
--- a/src/Generators/AbstractEnumGenerator.php
+++ b/src/Generators/AbstractEnumGenerator.php
@@ -56,7 +56,9 @@ protected function imports(): Collection
             return collect();
         }
 
-        /** @var Collection<int, SplFileInfo> $fileCollection */
+        /**
+         * @var Collection<int, SplFileInfo> $fileCollection
+         */
         $fileCollection = collect($files);
 
         return $fileCollection
diff --git a/src/Generators/EnumGenerator.php b/src/Generators/EnumGenerator.php
index 2e33f7d..8e8aaa9 100644
--- a/src/Generators/EnumGenerator.php
+++ b/src/Generators/EnumGenerator.php
@@ -7,12 +7,14 @@
 use Illuminate\Support\Collection;
 use Illuminate\Support\Facades\Storage;
 use Illuminate\Support\Fluent;
+use Illuminate\Support\Stringable;
 use Kirschbaum\Paragon\Concerns\Builders\EnumBuilder;
 use Kirschbaum\Paragon\Concerns\IgnoreParagon;
 use ReflectionEnum;
 use ReflectionEnumBackedCase;
 use ReflectionEnumUnitCase;
 use ReflectionMethod;
+use UnitEnum;
 
 class EnumGenerator
 {
@@ -25,7 +27,7 @@ class EnumGenerator
     /**
      * Create new EnumGenerator instance.
      *
-     * @param  class-string<\UnitEnum>  $enum
+     * @param  class-string<UnitEnum>  $enum
      */
     public function __construct(protected string $enum, protected EnumBuilder $builder)
     {
@@ -107,11 +109,11 @@ protected function relativePath(): string
     protected function buildTypeDefinition(): string
     {
         return $this->methods()
-            ->map(fn ($method) => PHP_EOL . "    {$method->getName()}();")
+            ->map(fn (ReflectionMethod $method) => PHP_EOL . "    {$method->getName()}();")
             ->sortDesc()
             ->when(
                 $this->reflector->isBacked(),
-                fn ($collection) => $collection->push(PHP_EOL . "    value: {$this->valueReturnType()};")
+                fn (Collection $collection) => $collection->push(PHP_EOL . "    value: {$this->valueReturnType()};")
             )
             ->reverse()
             ->join('');
@@ -142,12 +144,12 @@ protected function valueReturnType(): string
     /**
      * Build all the case objects.
      *
-     * @param  Collection<int,ReflectionEnumUnitCase|ReflectionEnumBackedCase>  $cases
+     * @param  Collection<int, ReflectionEnumUnitCase|ReflectionEnumBackedCase>  $cases
      */
     protected function buildCases(Collection $cases): string
     {
         return $cases
-            ->map(function (ReflectionEnumUnitCase $case) {
+            ->map(function (ReflectionEnumUnitCase|ReflectionEnumBackedCase $case) {
                 $value = $this->caseValueProperty($case);
 
                 $methodValues = $this->methods()
@@ -168,10 +170,10 @@ protected function caseValueProperty(ReflectionEnumUnitCase|ReflectionEnumBacked
                 ->prepend(PHP_EOL . '            ')
                 ->when(
                     $this->reflector->getBackingType()->getName() === 'int',
-                    fn ($string) => $case->getValue() instanceof BackedEnum
+                    fn (Stringable $string) => $case->getValue() instanceof BackedEnum
                         ? $string->append("{$case->getValue()->value}")
                         : $string,
-                    fn ($string) => $case->getValue() instanceof BackedEnum
+                    fn (Stringable $string) => $case->getValue() instanceof BackedEnum
                         ? $string->append("'{$case->getValue()->value}'")
                         : $string,
                 )
@@ -184,7 +186,7 @@ protected function caseValueProperty(ReflectionEnumUnitCase|ReflectionEnumBacked
     /**
      * Assemble the actual enum case object code including the name, value if needed, and any public methods.
      *
-     * @param  Collection<int,string>  $methodValues
+     * @param  Collection<int, string>  $methodValues
      */
     protected function assembleCaseObject(
         ReflectionEnumUnitCase|ReflectionEnumBackedCase $case,
@@ -203,12 +205,12 @@ protected function assembleCaseObject(
     /**
      * Build all case object getter methods.
      *
-     * @param  Collection<int,ReflectionEnumUnitCase|ReflectionEnumBackedCase>  $cases
+     * @param  Collection<int, ReflectionEnumUnitCase|ReflectionEnumBackedCase>  $cases
      */
     protected function buildGetters(Collection $cases): string
     {
         return $cases
-            ->map(fn ($case) => $this->builder->assembleCaseGetter($case))
+            ->map(fn (ReflectionEnumUnitCase|ReflectionEnumBackedCase $case) => $this->builder->assembleCaseGetter($case))
             ->join(PHP_EOL . PHP_EOL);
     }