fix

.php-cs-fixer.php

@@ -34,6 +34,9 @@
 
 $config->addRules([
     'php_unit_internal_class' => false,
+
+    'phpdoc_no_empty_return' => false,
+    'void_return' => false,
 ]);
 
 $config->setFinder($finder);

psalm.xml

@@ -24,13 +24,8 @@
         <directory name="stubs"/>
 
         <ignoreFiles>
-            <directory name="src/Input/Compatibility"/>
             <directory name="src/Output/Compatibility"/>
-            <file name="src/Input/DecoratesInput.php"/>
             <file name="src/Output/DecoratesLogger.php"/>
-            <file name="src/Output/DecoratesOutput.php"/>
-            <file name="src/Output/DecoratesStyledOutput.php"/>
-            <file name="src/Output/StyledOutput.php"/>
             <directory name="vendor"/>
             <directory name="tests/Integration/var"/>
             <file name="tests/Internal/Type/ConfigurableType.php"/>
@@ -61,16 +56,6 @@
                 <directory name="tests"/>
             </errorLevel>
         </MissingConstructor>
-
-        <MissingReturnType>
-            <errorLevel type="suppress">
-                <!-- Can be removed once 7.4 & Symfony 5.4 support is dropped. -->
-                <file name="stubs/DecoratesInput.php"/>
-                <file name="stubs/DecoratesOutput.php"/>
-                <file name="stubs/DecoratesStyledOutput.php"/>
-                <file name="stubs/StyledOutput.php"/>
-            </errorLevel>
-        </MissingReturnType>
 
         <MoreSpecificImplementedParamType>
             <errorLevel type="suppress">

src/IO.php

@@ -57,13 +57,13 @@
  * @method getFirstArgument(): ?string
  * @method hasParameterOption(string|array $values, bool $onlyParams = false): bool
  * @method getParameterOption(string|array $values, string|bool|int|float|array|null $default = false, bool $onlyParams = false): mixed
- * @method bind(InputDefinition $definition)
+ * @method bind(InputDefinition $definition): void
  * @method validate(): void
- * @method getArguments(): array
- * @method setArgument(string $name, mixed $value)
+ * @method getArguments(): array<string|bool|int|float|array|null>
+ * @method setArgument(string $name, mixed $value): void
  * @method hasArgument(string $name): bool
- * @method getOptions(): array
- * @method setOption(string $name, mixed $value)
+ * @method getOptions(): array<string|bool|int|float|array|null>
+ * @method setOption(string $name, mixed $value): void
  * @method getOption(string $name): mixed
  * @method hasOption(string $name, bool $onlyRealParams = false): bool
  * @method isInteractive(): bool