docs: fix @return type

Author: kenjis

system/Database/BaseResult.php

@@ -497,6 +497,8 @@ abstract public function getFieldData(): array;
 
     /**
      * Frees the current result.
+     *
+     * @return void
      */
     abstract public function freeResult();
 
@@ -505,7 +507,7 @@ abstract public function freeResult();
      * internally before fetching results to make sure the result set
      * starts at zero.
      *
-     * @return mixed
+     * @return bool
      */
     abstract public function dataSeek(int $n = 0);
 
@@ -514,7 +516,7 @@ abstract public function dataSeek(int $n = 0);
      *
      * Overridden by driver classes.
      *
-     * @return mixed
+     * @return array|false|null
      */
     abstract protected function fetchAssoc();
 
@@ -523,7 +525,7 @@ abstract protected function fetchAssoc();
      *
      * Overridden by child classes.
      *
-     * @return object
+     * @return Entity|false|object|stdClass
      */
     abstract protected function fetchObject(string $className = 'stdClass');
 }

system/Database/MySQLi/Result.php

@@ -103,6 +103,8 @@ public function getFieldData(): array
 
     /**
      * Frees the current result.
+     *
+     * @return void
      */
     public function freeResult()
     {
@@ -117,7 +119,7 @@ public function freeResult()
      * internally before fetching results to make sure the result set
      * starts at zero.
      *
-     * @return mixed
+     * @return bool
      */
     public function dataSeek(int $n = 0)
     {

system/Database/OCI8/Result.php

@@ -80,7 +80,7 @@ public function dataSeek(int $n = 0)
      *
      * Overridden by driver classes.
      *
-     * @return mixed
+     * @return array|false
      */
     protected function fetchAssoc()
     {

system/Database/Postgre/Result.php

@@ -69,6 +69,8 @@ public function getFieldData(): array
 
     /**
      * Frees the current result.
+     *
+     * @return void
      */
     public function freeResult()
     {
@@ -83,7 +85,7 @@ public function freeResult()
      * internally before fetching results to make sure the result set
      * starts at zero.
      *
-     * @return mixed
+     * @return bool
      */
     public function dataSeek(int $n = 0)
     {
@@ -95,7 +97,7 @@ public function dataSeek(int $n = 0)
      *
      * Overridden by driver classes.
      *
-     * @return mixed
+     * @return array|false
      */
     protected function fetchAssoc()
     {

system/Database/ResultInterface.php

@@ -27,7 +27,7 @@ public function getResult(string $type = 'object'): array;
      *
      * @param string $className The name of the class to use.
      *
-     * @return mixed
+     * @return array
      */
     public function getCustomResultObject(string $className);
 

system/Database/SQLSRV/Result.php

@@ -103,6 +103,8 @@ public function getFieldData(): array
 
     /**
      * Frees the current result.
+     *
+     * @return void
      */
     public function freeResult()
     {
@@ -117,7 +119,7 @@ public function freeResult()
      * internally before fetching results to make sure the result set
      * starts at zero.
      *
-     * @return mixed
+     * @return bool
      */
     public function dataSeek(int $n = 0)
     {
@@ -137,7 +139,7 @@ public function dataSeek(int $n = 0)
      *
      * Overridden by driver classes.
      *
-     * @return mixed
+     * @return array|false|null
      */
     protected function fetchAssoc()
     {

system/Database/SQLite3/Result.php

@@ -80,6 +80,8 @@ public function getFieldData(): array
 
     /**
      * Frees the current result.
+     *
+     * @return void
      */
     public function freeResult()
     {
@@ -94,7 +96,7 @@ public function freeResult()
      * internally before fetching results to make sure the result set
      * starts at zero.
      *
-     * @return mixed
+     * @return bool
      *
      * @throws DatabaseException
      */
@@ -112,7 +114,7 @@ public function dataSeek(int $n = 0)
      *
      * Overridden by driver classes.
      *
-     * @return mixed
+     * @return array|false
      */
     protected function fetchAssoc()
     {

system/Test/Mock/MockResult.php

@@ -46,7 +46,7 @@ public function getFieldData(): array
     /**
      * Frees the current result.
      *
-     * @return mixed
+     * @return void
      */
     public function freeResult()
     {
@@ -59,7 +59,7 @@ public function freeResult()
      *
      * @param int $n
      *
-     * @return mixed
+     * @return bool
      */
     public function dataSeek($n = 0)
     {