Make Type implementations nullable (#1357)

Author: norberttech

src/core/etl/src/Flow/ETL/Function/Count.php

@@ -54,7 +54,7 @@ public function over(Window $window) : WindowFunction
     }
 
     /**
-     * @return Entry<?int, int>
+     * @return Entry<?int, ?int>
      */
     public function result() : Entry
     {

src/core/etl/src/Flow/ETL/Function/Max.php

@@ -43,7 +43,7 @@ public function aggregate(Row $row) : void
     }
 
     /**
-     * @return Entry<?\DateTimeInterface, \DateTimeInterface>|Entry<?float, float>|Entry<?int, int>
+     * @return Entry<?\DateTimeInterface, ?\DateTimeInterface>|Entry<?float, ?float>|Entry<?int, ?int>
      */
     public function result() : Entry
     {

src/core/etl/src/Flow/ETL/Function/Min.php

@@ -43,7 +43,7 @@ public function aggregate(Row $row) : void
     }
 
     /**
-     * @return Entry<?\DateTimeInterface, \DateTimeInterface>|Entry<?float, float>|Entry<?int, int>
+     * @return Entry<?\DateTimeInterface, ?\DateTimeInterface>|Entry<?float, ?float>|Entry<?int, ?int>
      */
     public function result() : Entry
     {

src/core/etl/src/Flow/ETL/Function/Sum.php

@@ -59,7 +59,7 @@ public function over(Window $window) : WindowFunction
     }
 
     /**
-     * @return Entry<?float, float>|Entry<?int,int>
+     * @return Entry<?float, ?float>|Entry<?int,?int>
      */
     public function result() : Entry
     {

src/core/etl/src/Flow/ETL/PHP/Type/Logical/DateTimeType.php

@@ -9,7 +9,7 @@
 use Flow\ETL\PHP\Type\Type;
 
 /**
- * @implements Type<\DateTimeInterface>
+ * @implements Type<?\DateTimeInterface>
  */
 final readonly class DateTimeType implements Type
 {

src/core/etl/src/Flow/ETL/PHP/Type/Logical/DateType.php

@@ -9,7 +9,7 @@
 use Flow\ETL\PHP\Type\Type;
 
 /**
- * @implements Type<\DateTimeInterface>
+ * @implements Type<?\DateTimeInterface>
  */
 final readonly class DateType implements Type
 {

src/core/etl/src/Flow/ETL/PHP/Type/Logical/JsonType.php

@@ -10,7 +10,7 @@
 use Flow\ETL\PHP\Type\Type;
 
 /**
- * @implements Type<string>
+ * @implements Type<?string>
  */
 final readonly class JsonType implements Type
 {

src/core/etl/src/Flow/ETL/PHP/Type/Logical/ListType.php

@@ -9,7 +9,7 @@
 use Flow\ETL\PHP\Type\{Type, TypeFactory};
 
 /**
- * @implements Type<list<mixed>>
+ * @implements Type<?list<mixed>>
  */
 final readonly class ListType implements Type
 {

src/core/etl/src/Flow/ETL/PHP/Type/Logical/MapType.php

@@ -9,7 +9,7 @@
 use Flow\ETL\PHP\Type\{Type, TypeFactory};
 
 /**
- * @implements Type<array<array-key, mixed>>
+ * @implements Type<?array<array-key, mixed>>
  */
 final readonly class MapType implements Type
 {

src/core/etl/src/Flow/ETL/PHP/Type/Logical/StructureType.php

@@ -9,7 +9,7 @@
 use Flow\ETL\PHP\Type\{Type, TypeFactory};
 
 /**
- * @implements Type<array<string, mixed>>
+ * @implements Type<?array<string, mixed>>
  */
 final readonly class StructureType implements Type
 {