enable strict_types in generator

(Continuing with pulling the changes from shish/safe into tcm/safe in small hopefully easy-to-review chunks)

Author: shish

generator/src/ComposerJsonEditor.php

@@ -1,5 +1,6 @@
 <?php
 
+declare(strict_types=1);
 
 namespace Safe;
 

generator/src/DeprecateCommand.php

@@ -1,5 +1,6 @@
 <?php
 
+declare(strict_types=1);
 
 namespace Safe;
 
@@ -23,7 +24,7 @@ protected function configure(): void
         ;
     }
 
-    protected function execute(InputInterface $input, OutputInterface $output)
+    protected function execute(InputInterface $input, OutputInterface $output): int
     {
         /** @var string $moduleName */
         $moduleName = $input->getArgument('module');

generator/src/DocPage.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Safe;
 
 use function explode;
@@ -236,8 +238,6 @@ public function getMethodSynopsis(): array
 
     /**
      * Loads the XML file, resolving all DTD declared entities.
-     *
-     * @return \SimpleXMLElement
      */
     public function loadAndResolveFile(): \SimpleXMLElement
     {
@@ -268,8 +268,6 @@ public function loadAndResolveFile(): \SimpleXMLElement
 
     /**
      * Returns the module name in Camelcase.
-     *
-     * @return string
      */
     public function getModule(): string
     {

generator/src/EmptyTypeException.php

@@ -1,5 +1,6 @@
 <?php
 
+declare(strict_types=1);
 
 namespace Safe;
 

generator/src/FileCreator.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Safe;
 
 use Rector\Config\RectorConfig;
@@ -14,7 +16,6 @@ class FileCreator
      * This function generate an improved php lib function in a php file
      *
      * @param Method[] $functions
-     * @param string $path
      */
     public function generatePhpFile(array $functions, string $path): void
     {
@@ -64,7 +65,6 @@ private function getFunctionsNameList(array $functions): array
      * This function generate a PHP file containing the list of functions we can handle.
      *
      * @param Method[] $functions
-     * @param string $path
      */
     public function generateFunctionsList(array $functions, string $path): void
     {
@@ -86,7 +86,6 @@ public function generateFunctionsList(array $functions, string $path): void
      * Generates a configuration file for replacing all functions when using rector/rector.
      *
      * @param Method[] $functions
-     * @param string $path
      */
     public function generateRectorFile(array $functions, string $path): void
     {
@@ -148,9 +147,6 @@ public static function createFromPhpError(): self
 
     /**
      * Generates the name of the exception class
-     *
-     * @param string $moduleName
-     * @return string
      */
     public static function toExceptionName(string $moduleName): string
     {

generator/src/GenerateCommand.php

@@ -1,5 +1,6 @@
 <?php
 
+declare(strict_types=1);
 
 namespace Safe;
 
@@ -18,7 +19,7 @@ protected function configure(): void
         ;
     }
 
-    protected function execute(InputInterface $input, OutputInterface $output)
+    protected function execute(InputInterface $input, OutputInterface $output): int
     {
 
         $this->rmGenerated();

generator/src/Method.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Safe;
 
 use Safe\PhpStanFunctions\PhpStanFunction;
@@ -26,14 +28,13 @@ class Method
     /**
      * @var Parameter[]|null
      */
-    private $params = null;
     /**
      * @var int
      */
     private $errorType;
+    private ?array $params = null;
     /**
      * The function prototype from the phpstan internal documentation (functionMap.php)
-     * @var PhpStanFunction|null
      */
     private $phpstanSignarure;
     /**
@@ -225,8 +226,6 @@ public function getModuleName(): string
 
     /**
      * The function is overloaded if at least one parameter is optional with no default value and this parameter is not by reference.
-     *
-     * @return bool
      */
     public function isOverloaded(): bool
     {

generator/src/Parameter.php

@@ -1,4 +1,7 @@
 <?php
+
+declare(strict_types=1);
+
 namespace Safe;
 
 use Safe\PhpStanFunctions\PhpStanFunction;
@@ -58,8 +61,6 @@ public function isByReference(): bool
     /**
      * Some parameters can be optional with no default value. In this case, the function is "overloaded" (which is not
      * possible in user-land but possible in core...)
-     *
-     * @return bool
      */
     public function isOptionalWithNoDefault(): bool
     {

generator/src/PhpStanFunctions/PhpStanFunction.php

@@ -1,5 +1,6 @@
 <?php
 
+declare(strict_types=1);
 
 namespace Safe\PhpStanFunctions;
 
@@ -13,7 +14,7 @@ class PhpStanFunction
     /**
      * @var PhpStanParameter[]
      */
-    private $parameters = [];
+    private array $parameters = [];
 
     /**
      * @param string[] $signature

generator/src/PhpStanFunctions/PhpStanFunctionMapReader.php

@@ -1,5 +1,6 @@
 <?php
 
+declare(strict_types=1);
 
 namespace Safe\PhpStanFunctions;