Fix lint errors

Author: Atry

examples/dorm/CodegenDorm.php

@@ -17,7 +17,7 @@
  * that will allow to read the data from a database and store it
  * in the object.
  */
-class CodegenDorm {
+final class CodegenDorm {
 
   private ICodegenFactory $codegen;
 

examples/dorm/CodegenMutator.php

@@ -16,7 +16,7 @@
  * For a given DormSchema, this class generates code for a class
  * that will allow to insert rows in a database.
  */
-class CodegenMutator {
+final class CodegenMutator {
 
   private HackCodegenFactory $codegen;
 
@@ -211,7 +211,7 @@ private function getCheckRequiredFieldsMethod(): CodegenMethod {
       ->closeStatement()
       ->addAssignment(
         '$missing',
-        '$required->removeAll($this->data->keys());',
+        '$required->removeAll($this->data->keys())',
         HackBuilderValues::literal(),
       )
       ->addMultilineCall(

examples/dorm/core/DormField.php

@@ -10,7 +10,7 @@
 
 namespace Facebook\HackCodegen;
 
-class DormField {
+final class DormField {
   private bool $optional = false;
   private bool $manual = false;
 

examples/dorm/demo/DormUserMutator.php

@@ -6,7 +6,7 @@
  * To re-generate this file run codegen.php DormUserSchema
  *
  *
- * @partially-generated SignedSource<<cfcc245af5ac1dc449999b80c6e0ecef>>
+ * @partially-generated SignedSource<<9a620c7d596d01640d6d302a4bdfae46>>
  */
 
 final class DormUserMutator {
@@ -59,7 +59,7 @@ public function checkRequiredFields(): void {
       'last_name',
       'is_active',
     };
-    $missing = $required->removeAll($this->data->keys());;
+    $missing = $required->removeAll($this->data->keys());
     invariant(
       $missing->isEmpty(),
       'The following required fields are missing: %s',

examples/dorm/demo/DormUserSchema.php

@@ -10,7 +10,7 @@
 
 namespace Facebook\HackCodegen;
 
-class DormUserSchema implements DormSchema {
+final class DormUserSchema implements DormSchema {
   public function getFields(): Map<string, DormField> {
     return Map {
       'FirstName' => string_field('first_name'),

src/CodegenFile.hack

@@ -17,7 +17,6 @@ enum CodegenFileResult: int {
   UPDATE = 1;
   CREATE = 2;
 }
-;
 
 enum CodegenFileType: int {
   PHP = 0;

src/_Private/StrBuffer.hack

@@ -13,7 +13,7 @@ namespace Facebook\HackCodegen\_Private;
  *
  * The string can be retrived once via the `detach()` method.
  */
-class StrBuffer {
+final class StrBuffer {
 
   private string $str = '';
   private bool $detached = false;

src/key-value-render/HackBuilderNativeValueCollectionRenderer.hack

@@ -16,15 +16,15 @@ use type Facebook\HackCodegen\{
   IHackCodegenConfig,
 };
 
-class HackBuilderNativeValueCollectionRenderer<Tv, T as Traversable<Tv>>
+final class HackBuilderNativeValueCollectionRenderer<Tv, T as Traversable<Tv>>
   implements IHackBuilderValueRenderer<T> {
   public function __construct(
     private ContainerType $container,
     private IHackBuilderValueRenderer<Tv> $valueRenderer,
   ) {
   }
 
-  final public function render(IHackCodegenConfig $config, T $values): string {
+  public function render(IHackCodegenConfig $config, T $values): string {
     $value_renderer = $this->valueRenderer;
     $builder = (new HackBuilder($config))->openContainer($this->container);
     foreach ($values as $value) {

tests/TestLib/OnExit.hack

@@ -9,7 +9,7 @@
 
 namespace Facebook\HackCodegen;
 
-class OnExit implements \IDisposable {
+final class OnExit implements \IDisposable {
   const type TCallback = (function():void);
   public function __construct(private self::TCallback $cb) {
   }