Adds work in progress regarding generic collections

src/Illuminate/Collections/Collection.php

@@ -166,8 +166,8 @@ public function collapse()
      * Determine if an item exists in the collection.
      *
      * @param  (callable(TValue): bool)|TValue|string  $key
-     * @param  TValue|string|null  $operator
-     * @param  TValue|null  $value
+     * @param  mixed  $operator
+     * @param  mixed  $value
      * @return bool
      */
     public function contains($key, $operator = null, $value = null)
@@ -378,7 +378,7 @@ public function first(callable $callback = null, $default = null)
      * Get a flattened array of the items in the collection.
      *
      * @param  int  $depth
-     * @return static<TKey, TValue>
+     * @return static<int, mixed>
      */
     public function flatten($depth = INF)
     {
@@ -637,7 +637,7 @@ public function last(callable $callback = null, $default = null)
     /**
      * Get the values of a given key.
      *
-     * @param  string|array<int, string>  $value
+     * @param  string|array<array-key, string>  $value
      * @param  string|null  $key
      * @return static<int, mixed>
      */
@@ -1135,8 +1135,8 @@ public function splitIn($numberOfGroups)
      * Get the first item in the collection, but only if exactly one item exists. Otherwise, throw an exception.
      *
      * @param  (callable(TValue, TKey): bool)|string  $key
-     * @param  TValue|string|null  $operator
-     * @param  TValue|null  $value
+     * @param  mixed  $operator
+     * @param  mixed  $value
      * @return TValue
      *
      * @throws \Illuminate\Support\ItemNotFoundException

src/Illuminate/Collections/Enumerable.php

@@ -116,9 +116,9 @@ public function collapse();
     /**
      * Alias for the "contains" method.
      *
-     * @param  (callable(TValue): bool)|TValue|string  $key
-     * @param  TValue|string|null  $operator
-     * @param  TValue|null  $value
+     * @param  (callable(TValue, TKey): bool)|TValue|string  $key
+     * @param  mixed  $operator
+     * @param  mixed  $value
      * @return bool
      */
     public function some($key, $operator = null, $value = null);
@@ -143,9 +143,9 @@ public function avg($callback = null);
     /**
      * Determine if an item exists in the enumerable.
      *
-     * @param  (callable(TValue): bool)|TValue|string  $key
-     * @param  TValue|string|null  $operator
-     * @param  TValue|null  $value
+     * @param  (callable(TValue, TKey): bool)|TValue|string  $key
+     * @param  mixed  $operator
+     * @param  mixed  $value
      * @return bool
      */
     public function contains($key, $operator = null, $value = null);
@@ -264,8 +264,8 @@ public function eachSpread(callable $callback);
      * Determine if all items pass the given truth test.
      *
      * @param  (callable(TValue, TKey): bool)|TValue|string  $key
-     * @param  TValue|string|null  $operator
-     * @param  TValue|null  $value
+     * @param  mixed  $operator
+     * @param  mixed  $value
      * @return bool
      */
     public function every($key, $operator = null, $value = null);
@@ -746,8 +746,8 @@ public function forPage($page, $perPage);
      * Partition the collection into two arrays using the given callback or key.
      *
      * @param  (callable(TValue, TKey): bool)|TValue|string  $key
-     * @param  TValue|string|null  $operator
-     * @param  TValue|null  $value
+     * @param  mixed  $operator
+     * @param  mixed  $value
      * @return array<int, static<TKey, TValue>>
      */
     public function partition($key, $operator = null, $value = null);
@@ -867,8 +867,8 @@ public function split($numberOfGroups);
      * Get the first item in the collection, but only if exactly one item exists. Otherwise, throw an exception.
      *
      * @param  (callable(TValue, TKey): bool)|string  $key
-     * @param  TValue|string|null  $operator
-     * @param  TValue|null  $value
+     * @param  mixed  $operator
+     * @param  mixed  $value
      * @return TValue
      *
      * @throws \Illuminate\Support\ItemNotFoundException
@@ -997,7 +997,7 @@ public function pipe(callable $callback);
     /**
      * Get the values of a given key.
      *
-     * @param  string|array<int, string>  $value
+     * @param  string|array<array-key, string>  $value
      * @param  string|null  $key
      * @return static<int, mixed>
      */

src/Illuminate/Collections/Traits/EnumeratesValues.php

@@ -174,9 +174,9 @@ public function average($callback = null)
     /**
      * Alias for the "contains" method.
      *
-     * @param  (callable(TValue): bool)|TValue|string  $key
-     * @param  TValue|string|null  $operator
-     * @param  TValue|null  $value
+     * @param  (callable(TValue, TKey): bool)|TValue|string  $key
+     * @param  mixed  $operator
+     * @param  mixed  $value
      * @return bool
      */
     public function some($key, $operator = null, $value = null)
@@ -277,8 +277,8 @@ public function eachSpread(callable $callback)
      * Determine if all items pass the given truth test.
      *
      * @param  (callable(TValue, TKey): bool)|TValue|string  $key
-     * @param  TValue|string|null  $operator
-     * @param  TValue|null  $value
+     * @param  mixed  $operator
+     * @param  mixed  $value
      * @return bool
      */
     public function every($key, $operator = null, $value = null)

src/Illuminate/Contracts/Queue/QueueableCollection.php

@@ -14,14 +14,14 @@ public function getQueueableClass();
     /**
      * Get the identifiers for all of the entities.
      *
-     * @return array
+     * @return array<int, mixed>
      */
     public function getQueueableIds();
 
     /**
      * Get the relationships of the entities being queued.
      *
-     * @return array
+     * @return array<int, string>
      */
     public function getQueueableRelations();