A few more native return types

src/PhpSpreadsheet/Chart/DataSeries.php

@@ -233,7 +233,7 @@ class DataSeries
      *
      * @return DataSeriesValues|false
      */
-    public function getPlotLabelByIndex(mixed $index)
+    public function getPlotLabelByIndex(mixed $index): bool|DataSeriesValues
     {
         $keys = array_keys($this->plotLabel);
         if (in_array($index, $keys)) {
@@ -258,7 +258,7 @@ class DataSeries
      *
      * @return DataSeriesValues|false
      */
-    public function getPlotCategoryByIndex(mixed $index)
+    public function getPlotCategoryByIndex(mixed $index): bool|DataSeriesValues
     {
         $keys = array_keys($this->plotCategory);
         if (in_array($index, $keys)) {
@@ -305,7 +305,7 @@ class DataSeries
      *
      * @return DataSeriesValues|false
      */
-    public function getPlotValuesByIndex(mixed $index)
+    public function getPlotValuesByIndex(mixed $index): bool|DataSeriesValues
     {
         $keys = array_keys($this->plotValues);
         if (in_array($index, $keys)) {

src/PhpSpreadsheet/Chart/Title.php

@@ -35,10 +35,8 @@ class Title
 
     /**
      * Get caption.
-     *
-     * @return array|RichText|string
      */
-    public function getCaption()
+    public function getCaption(): array|RichText|string
     {
         return $this->caption;
     }

src/PhpSpreadsheet/Reader/Xls/Escher.php

@@ -86,10 +86,8 @@ class Escher
 
     /**
      * Load Escher stream data. May be a partial Escher stream.
-     *
-     * @return BSE|BstoreContainer|DgContainer|DggContainer|\PhpOffice\PhpSpreadsheet\Shared\Escher|SpContainer|SpgrContainer
      */
-    public function load(string $data)
+    public function load(string $data): BSE|BstoreContainer|DgContainer|DggContainer|\PhpOffice\PhpSpreadsheet\Shared\Escher|SpContainer|SpgrContainer
     {
         $this->data = $data;
 

src/PhpSpreadsheet/Spreadsheet.php

@@ -1082,7 +1082,7 @@ class Spreadsheet implements JsonSerializable
      *
      * @return false|Style
      */
-    public function getCellXfByHashCode(string $hashcode)
+    public function getCellXfByHashCode(string $hashcode): bool|Style
     {
         foreach ($this->cellXfCollection as $cellXf) {
             if ($cellXf->getHashCode() === $hashcode) {
@@ -1185,7 +1185,7 @@ class Spreadsheet implements JsonSerializable
      *
      * @return false|Style
      */
-    public function getCellStyleXfByHashCode(string $hashcode)
+    public function getCellStyleXfByHashCode(string $hashcode): bool|Style
     {
         foreach ($this->cellStyleXfCollection as $cellStyleXf) {
             if ($cellStyleXf->getHashCode() === $hashcode) {