Merge remote-tracking branch 'upstream/develop' into 4.5

Author: kenjis

tests/_support/Entity/Cast/CastBase64.php

@@ -20,10 +20,8 @@ class CastBase64 extends BaseCast
     /**
      * Get
      *
-     * @param mixed $value  Data
-     * @param array $params Additional param
-     *
-     * @return mixed
+     * @param string $value  Data
+     * @param array  $params Additional param
      */
     public static function get($value, array $params = []): string
     {
@@ -33,10 +31,8 @@ public static function get($value, array $params = []): string
     /**
      * Set
      *
-     * @param mixed $value  Data
-     * @param array $params Additional param
-     *
-     * @return mixed
+     * @param string $value  Data
+     * @param array  $params Additional param
      */
     public static function set($value, array $params = []): string
     {