diff --git a/phpstan.neon b/phpstan.neon
index a5290dc..6faf6f5 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -1,31 +1,13 @@
 parameters:
     level: 8
-    reportUnmatchedIgnoredErrors: false
+    reportUnmatchedIgnoredErrors: true
     paths:
         - %currentWorkingDirectory%/src/
         - %currentWorkingDirectory%/tests/
     ignoreErrors:
         -
-            message: ~has no return type specified~
+            identifier: missingType.return
             path: %currentWorkingDirectory%/tests/*
         -
             message: '#assertContains|assertInternalType|assertStringContainsString|assertIsArray|expectExceptionMessage#'
             path: %currentWorkingDirectory%/tests/*
-        -
-            message: ~Call to an undefined static method~
-            path: %currentWorkingDirectory%/tests/StaticArrayyTest.php
-        # false-positive?
-        - '/function call_user_func expects callable.*array\{.*\} given/'
-        - '/function call_user_func_array expects callable.*array\{.*\} given/'
-        - '/\(array<TKey of \(int\|string\), T>\) does not accept array<TKey of \(int\|string\)/'
-        - '/\(array<TKey of \(int\|string\), T>\) does not accept array<int, T>/'
-        - '/\(array<TKey of \(int\|string\), T>\) does not accept array<int\|string, T>/'
-        - '/array_map expects \(callable\(mixed\):/'
-        # ignore gernal errors
-        - '/Unsafe usage of new static/'
-        - '/should be compatible with return type \(bool\) of method ArrayObject/'
-        # ignore Iterator stuff
-        - '/__construct\(\) has parameter \$iteratorClass with generic/'
-        - '/create\(\) has parameter \$iteratorClass with generic/'
-        - '/parameter \$iteratorClass with generic class Arrayy\\ArrayyIterator/'
-        - '/generic class Arrayy\\ArrayyIterator does not specify its types/'
diff --git a/src/Arrayy.php b/src/Arrayy.php
index 2e71090..5ddf44c 100644
--- a/src/Arrayy.php
+++ b/src/Arrayy.php
@@ -59,7 +59,7 @@ class Arrayy extends \ArrayObject implements \IteratorAggregate, \ArrayAccess, \
     /**
      * @var string
      *
-     * @phpstan-var class-string<\Arrayy\ArrayyIterator>
+     * @phpstan-var class-string<\Arrayy\ArrayyIterator<TKey,T>>
      */
     protected $iteratorClass = ArrayyIterator::class;
 
@@ -111,7 +111,7 @@ class Arrayy extends \ArrayObject implements \IteratorAggregate, \ArrayAccess, \
      *                                             true, otherwise this option didn't not work anyway.
      *                                             </p>
      *
-     * @phpstan-param class-string<\Arrayy\ArrayyIterator> $iteratorClass
+     * @phpstan-param class-string<\Arrayy\ArrayyIterator<TKey,T>> $iteratorClass
      */
     public function __construct(
         $data = [],
@@ -314,7 +314,7 @@ public function append($value, $key = null): self
                 &&
                 \is_array($this->array[$key])
             ) {
-                $this->array[$key][] = $value;
+                $this->array[$key][] = $value; // @phpstan-ignore assign.propertyType
             } else {
                 $this->array[$key] = $value;
             }
@@ -900,7 +900,7 @@ public function serialize(): string
      *
      * @return void
      *
-     * @phpstan-param class-string<\Arrayy\ArrayyIterator> $iteratorClass
+     * @phpstan-param class-string<\Arrayy\ArrayyIterator<TKey,T>> $iteratorClass
      */
     #[\ReturnTypeWillChange]
     public function setIteratorClass($iteratorClass)
@@ -1734,7 +1734,7 @@ public function countValues(): self
      * @return static
      *                <p>(Immutable) Returns an new instance of the Arrayy object.</p>
      *
-     * @phpstan-param  class-string<\Arrayy\ArrayyIterator> $iteratorClass
+     * @phpstan-param  class-string<\Arrayy\ArrayyIterator<TKey,T>> $iteratorClass
      * @phpstan-return static<TKey,T>
      * @psalm-mutation-free
      */
@@ -1743,7 +1743,7 @@ public static function create(
         string $iteratorClass = ArrayyIterator::class,
         bool $checkPropertiesInConstructor = true
     ) {
-        return new static(
+        return new static( // @phpstan-ignore new.static
             $data,
             $iteratorClass,
             $checkPropertiesInConstructor
@@ -1893,7 +1893,7 @@ public static function createFromArray(array $array): self
     public static function createFromObject(\Traversable $object): self
     {
         // init
-        $arrayy = new static();
+        $arrayy = static::create();
 
         if ($object instanceof self) {
             $objectArray = $object->getGenerator();
@@ -5050,7 +5050,7 @@ public function prepend($value, $key = null)
         if ($key === null) {
             \array_unshift($this->array, $value);
         } else {
-            $this->array = [$key => $value] + $this->array;
+            $this->array = [$key => $value] + $this->array; // @phpstan-ignore assign.propertyType
         }
 
         return $this;
@@ -5241,7 +5241,7 @@ public function push(...$args)
             }
         }
 
-        \array_push($this->array, ...$args);
+        \array_push($this->array, ...$args); // @phpstan-ignore assign.propertyType
 
         return $this;
     }
@@ -5391,7 +5391,7 @@ public function randomMutable(?int $number = null): self
 
         if ($number === null) {
             $arrayRandValue = [$this->array[\array_rand($this->array)]];
-            $this->array = $arrayRandValue;
+            $this->array = $arrayRandValue; // @phpstan-ignore assign.propertyType
 
             return $this;
         }
@@ -5535,7 +5535,7 @@ public function reduce_dimension(bool $unique = true): self
 
         foreach ($this->getGenerator() as $val) {
             if (\is_array($val)) {
-                $result[] = (new static($val))->reduce_dimension($unique)->toArray();
+                $result[] = static::create($val)->reduce_dimension($unique)->toArray();
             } else {
                 $result[] = [$val];
             }
@@ -5543,7 +5543,7 @@ public function reduce_dimension(bool $unique = true): self
 
         $result = $result === [] ? [] : \array_merge(...$result);
 
-        $resultArrayy = new static($result);
+        $resultArrayy = static::create($result);
 
         /**
          * @psalm-suppress ImpureMethodCall - object is already re-created
@@ -7157,7 +7157,7 @@ public function unshift(...$args): self
             }
         }
 
-        \array_unshift($this->array, ...$args);
+        \array_unshift($this->array, ...$args); // @phpstan-ignore assign.propertyType
 
         return $this;
     }
diff --git a/src/ArrayyIterator.php b/src/ArrayyIterator.php
index ee88e67..7b21732 100644
--- a/src/ArrayyIterator.php
+++ b/src/ArrayyIterator.php
@@ -41,7 +41,8 @@ public function current()
         $value = parent::current();
 
         if (\is_array($value)) {
-            $value = \call_user_func([$this->class, 'create'], $value, static::class, false);
+            $class = $this->class;
+            $value = $class::create($value, static::class, false);
         }
 
         return $value;
@@ -62,7 +63,8 @@ public function offsetGet($offset)
         $value = parent::offsetGet($offset);
 
         if (\is_array($value)) {
-            $value = \call_user_func([$this->class, 'create'], $value, static::class, false);
+            $class = $this->class;
+            $value = $class::create($value, static::class, false);
         }
 
         return $value;
diff --git a/src/ArrayyRewindableExtendedGenerator.php b/src/ArrayyRewindableExtendedGenerator.php
index ea75a65..ff195e6 100644
--- a/src/ArrayyRewindableExtendedGenerator.php
+++ b/src/ArrayyRewindableExtendedGenerator.php
@@ -41,7 +41,8 @@ public function current()
         $value = $this->generator->current();
 
         if (\is_array($value)) {
-            $value = \call_user_func([$this->class, 'create'], $value, static::class, false);
+            $class = $this->class;
+            $value = $class::create($value, static::class, false);
         }
 
         return $value;
diff --git a/src/Collection/AbstractCollection.php b/src/Collection/AbstractCollection.php
index dea3b85..d99057d 100644
--- a/src/Collection/AbstractCollection.php
+++ b/src/Collection/AbstractCollection.php
@@ -63,7 +63,7 @@ abstract class AbstractCollection extends Arrayy implements CollectionInterface
      *                                             </p>
      *
      * @phpstan-param array<TKey,T>|\Arrayy\Arrayy<TKey,T>|\Closure():array<TKey,T>|mixed $data
-     * @phpstan-param class-string<\Arrayy\ArrayyIterator> $iteratorClass
+     * @phpstan-param class-string<\Arrayy\ArrayyIterator<TKey,T>> $iteratorClass
      */
     public function __construct(
         $data = [],
@@ -263,7 +263,7 @@ public function merge(CollectionInterface ...$collections): self
      * @template TKeyCreate as TKey
      * @template TCreate as T
      * @phpstan-param array<TKeyCreate,TCreate> $data
-     * @phpstan-param  class-string<\Arrayy\ArrayyIterator> $iteratorClass
+     * @phpstan-param  class-string<\Arrayy\ArrayyIterator<TKeyCreate,TCreate>> $iteratorClass
      * @phpstan-return static<TKeyCreate,TCreate>
      *
      * @psalm-mutation-free
@@ -273,7 +273,7 @@ public static function create(
         string $iteratorClass = ArrayyIterator::class,
         bool $checkPropertiesInConstructor = true
     ) {
-        return new static(
+        return new static( // @phpstan-ignore new.static
             $data,
             $iteratorClass,
             $checkPropertiesInConstructor
diff --git a/src/Collection/Collection.php b/src/Collection/Collection.php
index 8998d0b..b1ffe87 100644
--- a/src/Collection/Collection.php
+++ b/src/Collection/Collection.php
@@ -98,7 +98,7 @@ class Collection extends AbstractCollection
      * @param TypeInterface|null $type
      *
      * @phpstan-param array<array-key,T>|array<TKey,T>|\Arrayy\Arrayy<TKey,T> $data
-     * @phpstan-param class-string<\Arrayy\ArrayyIterator> $iteratorClass
+     * @phpstan-param class-string<\Arrayy\ArrayyIterator<TKey,T>> $iteratorClass
      */
     public function __construct(
         $data = [],
@@ -145,7 +145,7 @@ public static function construct(
     ): self {
         $type = self::convertIntoTypeCheckArray($type);
 
-        return new static(
+        return new static( // @phpstan-ignore new.static
             $data,
             ArrayyIterator::class,
             $checkPropertiesInConstructorAndType,
diff --git a/src/Collection/CollectionInterface.php b/src/Collection/CollectionInterface.php
index 8a1ea34..42f1b2b 100644
--- a/src/Collection/CollectionInterface.php
+++ b/src/Collection/CollectionInterface.php
@@ -163,7 +163,7 @@ public function containsValueRecursive($value): bool;
      * @template TKeyCreate as TKey
      * @template TCreate as T
      * @phpstan-param array<TKeyCreate,TCreate> $data
-     * @phpstan-param  class-string<\Arrayy\ArrayyIterator> $iteratorClass
+     * @phpstan-param  class-string<\Arrayy\ArrayyIterator<TKeyCreate,TCreate>> $iteratorClass
      * @phpstan-return static<TKeyCreate,TCreate>
      *
      * @psalm-mutation-free
diff --git a/src/StaticArrayy.php b/src/StaticArrayy.php
index baf1300..5dac472 100644
--- a/src/StaticArrayy.php
+++ b/src/StaticArrayy.php
@@ -56,7 +56,7 @@ public static function __callStatic(string $name, $arguments)
 
         $arrayy = Arrayy::create($array);
 
-        return \call_user_func_array([$arrayy, $name], $args);
+        return $arrayy->{$name}(...$args);
     }
 
     ////////////////////////////////////////////////////////////////////
diff --git a/src/Type/DetectFirstValueTypeCollection.php b/src/Type/DetectFirstValueTypeCollection.php
index 120d54f..1010247 100644
--- a/src/Type/DetectFirstValueTypeCollection.php
+++ b/src/Type/DetectFirstValueTypeCollection.php
@@ -27,7 +27,7 @@ final class DetectFirstValueTypeCollection extends Collection implements TypeInt
      * @param bool               $checkPropertiesInConstructor
      *
      * @phpstan-param array<TKey,T>|Arrayy<TKey,T> $data
-     * @phpstan-param class-string<\Arrayy\ArrayyIterator> $iteratorClass
+     * @phpstan-param class-string<\Arrayy\ArrayyIterator<TKey,T>> $iteratorClass
      */
     public function __construct(
         $data = [],
diff --git a/src/Type/InstanceCollection.php b/src/Type/InstanceCollection.php
index 4655fe4..719f917 100644
--- a/src/Type/InstanceCollection.php
+++ b/src/Type/InstanceCollection.php
@@ -21,7 +21,7 @@ final class InstanceCollection extends Collection implements TypeInterface
      * @param string|null   $className
      *
      * @phpstan-param array<TKey,T> $data
-     * @phpstan-param class-string<\Arrayy\ArrayyIterator>|null $iteratorClass
+     * @phpstan-param class-string<\Arrayy\ArrayyIterator<TKey,T>>|null $iteratorClass
      * @phpstan-param class-string<T>|null $className
      */
     public function __construct(
diff --git a/src/Type/InstancesCollection.php b/src/Type/InstancesCollection.php
index 11dcb43..a1d6dde 100644
--- a/src/Type/InstancesCollection.php
+++ b/src/Type/InstancesCollection.php
@@ -21,7 +21,7 @@ final class InstancesCollection extends Collection implements TypeInterface
      * @param string[]|null $classNames
      *
      * @phpstan-param array<TKey,T> $data
-     * @phpstan-param class-string<\Arrayy\ArrayyIterator>|null $iteratorClass
+     * @phpstan-param class-string<\Arrayy\ArrayyIterator<TKey,T>>|null $iteratorClass
      * @phpstan-param array<class-string<T>>|null $classNames
      */
     public function __construct(
diff --git a/src/TypeCheck/TypeCheckArray.php b/src/TypeCheck/TypeCheckArray.php
index c79b986..1746297 100644
--- a/src/TypeCheck/TypeCheckArray.php
+++ b/src/TypeCheck/TypeCheckArray.php
@@ -30,7 +30,7 @@ class TypeCheckArray extends \Arrayy\ArrayyStrict
      *                                             true, otherwise this option didn't not work anyway.
      *                                             </p>
      *
-     * @phpstan-param class-string<\Arrayy\ArrayyIterator> $iteratorClass
+     * @phpstan-param class-string<\Arrayy\ArrayyIterator<TKey,T>> $iteratorClass
      */
     public function __construct(
         $data = [],
diff --git a/tests/ModelA.php b/tests/ModelA.php
index 822f0ec..0112e57 100644
--- a/tests/ModelA.php
+++ b/tests/ModelA.php
@@ -15,7 +15,7 @@ class ModelA extends \Arrayy\Arrayy implements ModelInterface
      * @param array  $array
      * @param string $iteratorClass
      *
-     * @phpstan-param class-string<\Arrayy\ArrayyIterator> $iteratorClass
+     * @phpstan-param class-string<\Arrayy\ArrayyIterator<array-key,mixed>> $iteratorClass
      */
     public function __construct($array = [], $iteratorClass = ArrayyIterator::class)
     {
diff --git a/tests/StaticArrayyTest.php b/tests/StaticArrayyTest.php
index 1871fc6..a8cd2bf 100644
--- a/tests/StaticArrayyTest.php
+++ b/tests/StaticArrayyTest.php
@@ -16,34 +16,34 @@ public function testBadMethodCall()
 
         /** @noinspection PhpUndefinedMethodInspection */
         /** @noinspection PhpUnusedLocalVariableInspection */
-        $result = A::invalidMethod('foo');
+        $result = A::invalidMethod('foo'); // @phpstan-ignore staticMethod.notFound
     }
 
     public function testEmptyArgsInvocation()
     {
         /** @noinspection PhpUndefinedMethodInspection */
-        $result = A::first();
+        $result = A::first(); // @phpstan-ignore staticMethod.notFound
         static::assertNull($result);
     }
 
     public function testInvocation()
     {
         /** @noinspection PhpUndefinedMethodInspection */
-        $result = A::first(['lall', 'FOOBAR'], 1);
+        $result = A::first(['lall', 'FOOBAR'], 1); // @phpstan-ignore staticMethod.notFound
         static::assertSame('lall', $result);
     }
 
     public function testPartialArgsInvocation()
     {
         /** @noinspection PhpUndefinedMethodInspection */
-        $result = A::replaceOneValue(['foo', 'bar'], 'foo');
+        $result = A::replaceOneValue(['foo', 'bar'], 'foo'); // @phpstan-ignore staticMethod.notFound
         static::assertSame(['', 'bar'], $result->getArray());
     }
 
     public function testFullArgsInvocation()
     {
         /** @noinspection PhpUndefinedMethodInspection */
-        $result = A::replaceOneValue(['foo', 'bar'], 'foo', 'test');
+        $result = A::replaceOneValue(['foo', 'bar'], 'foo', 'test'); // @phpstan-ignore staticMethod.notFound
         static::assertSame(['test', 'bar'], $result->getArray());
     }