From f9b7c1c3d95937a52172cf272c1ace5f7cc9d98e Mon Sep 17 00:00:00 2001
From: Pol Dellaiera <pol.dellaiera@protonmail.com>
Date: Tue, 31 Aug 2021 10:39:20 +0200
Subject: [PATCH] Fix interfaces (to backport to master)

---
 src/Contract/Operation/Pluckable.php  | 2 +-
 src/Contract/Operation/Scaleable.php  | 2 +-
 src/Contract/Operation/Splitable.php  | 2 +-
 src/Contract/Operation/Unfoldable.php | 3 +--
 4 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/src/Contract/Operation/Pluckable.php b/src/Contract/Operation/Pluckable.php
index d78c83d6d..a9e95d3f0 100644
--- a/src/Contract/Operation/Pluckable.php
+++ b/src/Contract/Operation/Pluckable.php
@@ -26,7 +26,7 @@ interface Pluckable
      * @param array<int, string>|array-key $pluck
      * @param mixed|null $default
      *
-     * @return Collection<TKey, T>
+     * @return Collection<int, T|iterable<int, T>>
      */
     public function pluck($pluck, $default = null): Collection;
 }
diff --git a/src/Contract/Operation/Scaleable.php b/src/Contract/Operation/Scaleable.php
index 6a9c5caec..f5a6ce1b3 100644
--- a/src/Contract/Operation/Scaleable.php
+++ b/src/Contract/Operation/Scaleable.php
@@ -23,7 +23,7 @@ interface Scaleable
      *
      * @see https://loophp-collection.readthedocs.io/en/stable/pages/api.html#scale
      *
-     * @return Collection<TKey, T>
+     * @return Collection<TKey, float|int>
      */
     public function scale(
         float $lowerBound,
diff --git a/src/Contract/Operation/Splitable.php b/src/Contract/Operation/Splitable.php
index 459e247a6..1ac8426f1 100644
--- a/src/Contract/Operation/Splitable.php
+++ b/src/Contract/Operation/Splitable.php
@@ -33,7 +33,7 @@ interface Splitable
      *
      * @param callable ...$callbacks
      *
-     * @return Collection<TKey, T>
+     * @return Collection<int, list<T>>
      */
     public function split(int $type = Splitable::BEFORE, callable ...$callbacks): Collection;
 }
diff --git a/src/Contract/Operation/Unfoldable.php b/src/Contract/Operation/Unfoldable.php
index c63fffaf2..59e5d6623 100644
--- a/src/Contract/Operation/Unfoldable.php
+++ b/src/Contract/Operation/Unfoldable.php
@@ -14,14 +14,13 @@
 interface Unfoldable
 {
     /**
-     * @template TKey
      * @template TKey
      * @template T
      *
      * @param callable(mixed|T...): (mixed|array<TKey, T>) $callback
      * @param T ...$parameters
      *
-     * @return Collection<TKey, T>
+     * @return Collection<int, T>
      */
     public static function unfold(callable $callback, ...$parameters): Collection;
 }