diff --git a/src/PhpPresentation/AbstractShape.php b/src/PhpPresentation/AbstractShape.php
index bbe9de54d..f91a3b401 100644
--- a/src/PhpPresentation/AbstractShape.php
+++ b/src/PhpPresentation/AbstractShape.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Autoloader.php b/src/PhpPresentation/Autoloader.php
index 693b43aee..af89e1f10 100644
--- a/src/PhpPresentation/Autoloader.php
+++ b/src/PhpPresentation/Autoloader.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/ComparableInterface.php b/src/PhpPresentation/ComparableInterface.php
index ed958b17e..a518de27f 100644
--- a/src/PhpPresentation/ComparableInterface.php
+++ b/src/PhpPresentation/ComparableInterface.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/DocumentLayout.php b/src/PhpPresentation/DocumentLayout.php
index cc1deb510..5d17c53a2 100644
--- a/src/PhpPresentation/DocumentLayout.php
+++ b/src/PhpPresentation/DocumentLayout.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/DocumentProperties.php b/src/PhpPresentation/DocumentProperties.php
index bd0b4a8b6..87135522d 100644
--- a/src/PhpPresentation/DocumentProperties.php
+++ b/src/PhpPresentation/DocumentProperties.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Exception/DirectoryNotFoundException.php b/src/PhpPresentation/Exception/DirectoryNotFoundException.php
index e1c64e38b..0c1041350 100644
--- a/src/PhpPresentation/Exception/DirectoryNotFoundException.php
+++ b/src/PhpPresentation/Exception/DirectoryNotFoundException.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Exception/FeatureNotImplementedException.php b/src/PhpPresentation/Exception/FeatureNotImplementedException.php
index 2ba4a04ed..425d36e51 100644
--- a/src/PhpPresentation/Exception/FeatureNotImplementedException.php
+++ b/src/PhpPresentation/Exception/FeatureNotImplementedException.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Exception/FileCopyException.php b/src/PhpPresentation/Exception/FileCopyException.php
index 84dd93088..509a2afc5 100644
--- a/src/PhpPresentation/Exception/FileCopyException.php
+++ b/src/PhpPresentation/Exception/FileCopyException.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Exception/FileNotFoundException.php b/src/PhpPresentation/Exception/FileNotFoundException.php
index bf825a446..d9eacd88b 100644
--- a/src/PhpPresentation/Exception/FileNotFoundException.php
+++ b/src/PhpPresentation/Exception/FileNotFoundException.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Exception/FileRemoveException.php b/src/PhpPresentation/Exception/FileRemoveException.php
index 04bd141ac..b85865d9b 100644
--- a/src/PhpPresentation/Exception/FileRemoveException.php
+++ b/src/PhpPresentation/Exception/FileRemoveException.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Exception/InvalidClassException.php b/src/PhpPresentation/Exception/InvalidClassException.php
index e8813fbb4..c40abf39e 100644
--- a/src/PhpPresentation/Exception/InvalidClassException.php
+++ b/src/PhpPresentation/Exception/InvalidClassException.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Exception/InvalidFileFormatException.php b/src/PhpPresentation/Exception/InvalidFileFormatException.php
index 1894d4e1e..6d6989822 100644
--- a/src/PhpPresentation/Exception/InvalidFileFormatException.php
+++ b/src/PhpPresentation/Exception/InvalidFileFormatException.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Exception/InvalidParameterException.php b/src/PhpPresentation/Exception/InvalidParameterException.php
index 5a426ea61..32e383344 100644
--- a/src/PhpPresentation/Exception/InvalidParameterException.php
+++ b/src/PhpPresentation/Exception/InvalidParameterException.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Exception/NotAllowedValueException.php b/src/PhpPresentation/Exception/NotAllowedValueException.php
index 9c0da31cf..dbf6b34bf 100644
--- a/src/PhpPresentation/Exception/NotAllowedValueException.php
+++ b/src/PhpPresentation/Exception/NotAllowedValueException.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Exception/OutOfBoundsException.php b/src/PhpPresentation/Exception/OutOfBoundsException.php
index 38789d720..90638bf2c 100644
--- a/src/PhpPresentation/Exception/OutOfBoundsException.php
+++ b/src/PhpPresentation/Exception/OutOfBoundsException.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Exception/PhpPresentationException.php b/src/PhpPresentation/Exception/PhpPresentationException.php
index 629b70a0a..39d980bdd 100644
--- a/src/PhpPresentation/Exception/PhpPresentationException.php
+++ b/src/PhpPresentation/Exception/PhpPresentationException.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Exception/ShapeContainerAlreadyAssignedException.php b/src/PhpPresentation/Exception/ShapeContainerAlreadyAssignedException.php
index c21083011..11f565cce 100644
--- a/src/PhpPresentation/Exception/ShapeContainerAlreadyAssignedException.php
+++ b/src/PhpPresentation/Exception/ShapeContainerAlreadyAssignedException.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Exception/UnauthorizedMimetypeException.php b/src/PhpPresentation/Exception/UnauthorizedMimetypeException.php
index 67f03fc19..3fd876803 100644
--- a/src/PhpPresentation/Exception/UnauthorizedMimetypeException.php
+++ b/src/PhpPresentation/Exception/UnauthorizedMimetypeException.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Exception/UndefinedChartTypeException.php b/src/PhpPresentation/Exception/UndefinedChartTypeException.php
index 6b53f26f7..5c7c120d7 100644
--- a/src/PhpPresentation/Exception/UndefinedChartTypeException.php
+++ b/src/PhpPresentation/Exception/UndefinedChartTypeException.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/GeometryCalculator.php b/src/PhpPresentation/GeometryCalculator.php
index 2c050929e..8d0a7b112 100644
--- a/src/PhpPresentation/GeometryCalculator.php
+++ b/src/PhpPresentation/GeometryCalculator.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/HashTable.php b/src/PhpPresentation/HashTable.php
index 6a72f5c30..8d2458bf9 100644
--- a/src/PhpPresentation/HashTable.php
+++ b/src/PhpPresentation/HashTable.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/IOFactory.php b/src/PhpPresentation/IOFactory.php
index 88f7d4bc1..147cce4ef 100644
--- a/src/PhpPresentation/IOFactory.php
+++ b/src/PhpPresentation/IOFactory.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/PhpPresentation.php b/src/PhpPresentation/PhpPresentation.php
index 5f9df7191..75506a2b1 100644
--- a/src/PhpPresentation/PhpPresentation.php
+++ b/src/PhpPresentation/PhpPresentation.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
@@ -340,7 +341,7 @@ public function copy(): self
     }
 
     /**
-     * @return array<int, Slide\SlideMaster>|ArrayObject<int, Slide\SlideMaster>
+     * @return array<int, SlideMaster>|ArrayObject<int, SlideMaster>
      */
     public function getAllMasterSlides()
     {
@@ -348,7 +349,7 @@ public function getAllMasterSlides()
     }
 
     /**
-     * @param array<int, Slide\SlideMaster>|ArrayObject<int, Slide\SlideMaster> $slideMasters
+     * @param array<int, SlideMaster>|ArrayObject<int, SlideMaster> $slideMasters
      */
     public function setAllMasterSlides($slideMasters = []): self
     {
diff --git a/src/PhpPresentation/PresentationProperties.php b/src/PhpPresentation/PresentationProperties.php
index dce8f439d..b51155883 100644
--- a/src/PhpPresentation/PresentationProperties.php
+++ b/src/PhpPresentation/PresentationProperties.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Reader/ODPresentation.php b/src/PhpPresentation/Reader/ODPresentation.php
index 579fab676..f6cf81738 100644
--- a/src/PhpPresentation/Reader/ODPresentation.php
+++ b/src/PhpPresentation/Reader/ODPresentation.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Reader/PowerPoint2007.php b/src/PhpPresentation/Reader/PowerPoint2007.php
index 939f1c4ba..aa0d75614 100644
--- a/src/PhpPresentation/Reader/PowerPoint2007.php
+++ b/src/PhpPresentation/Reader/PowerPoint2007.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Reader/PowerPoint97.php b/src/PhpPresentation/Reader/PowerPoint97.php
index 4ef8fc91c..1b0f005d9 100644
--- a/src/PhpPresentation/Reader/PowerPoint97.php
+++ b/src/PhpPresentation/Reader/PowerPoint97.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Reader/ReaderInterface.php b/src/PhpPresentation/Reader/ReaderInterface.php
index e6a4c3ad5..3f0376716 100644
--- a/src/PhpPresentation/Reader/ReaderInterface.php
+++ b/src/PhpPresentation/Reader/ReaderInterface.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Reader/Serialized.php b/src/PhpPresentation/Reader/Serialized.php
index df58d9551..cbd146ebb 100644
--- a/src/PhpPresentation/Reader/Serialized.php
+++ b/src/PhpPresentation/Reader/Serialized.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/AbstractGraphic.php b/src/PhpPresentation/Shape/AbstractGraphic.php
index 064e32a9e..e416fe1da 100644
--- a/src/PhpPresentation/Shape/AbstractGraphic.php
+++ b/src/PhpPresentation/Shape/AbstractGraphic.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/AutoShape.php b/src/PhpPresentation/Shape/AutoShape.php
index fc52bad91..4bb6b1237 100644
--- a/src/PhpPresentation/Shape/AutoShape.php
+++ b/src/PhpPresentation/Shape/AutoShape.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/Chart.php b/src/PhpPresentation/Shape/Chart.php
index 35aa3d17a..5b2764203 100644
--- a/src/PhpPresentation/Shape/Chart.php
+++ b/src/PhpPresentation/Shape/Chart.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/Chart/Axis.php b/src/PhpPresentation/Shape/Chart/Axis.php
index 8576a0cff..60e7f2e6e 100644
--- a/src/PhpPresentation/Shape/Chart/Axis.php
+++ b/src/PhpPresentation/Shape/Chart/Axis.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/Chart/Gridlines.php b/src/PhpPresentation/Shape/Chart/Gridlines.php
index e1b78e692..cd3d858e5 100644
--- a/src/PhpPresentation/Shape/Chart/Gridlines.php
+++ b/src/PhpPresentation/Shape/Chart/Gridlines.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/Chart/Legend.php b/src/PhpPresentation/Shape/Chart/Legend.php
index 2d31708fc..b52e66da4 100644
--- a/src/PhpPresentation/Shape/Chart/Legend.php
+++ b/src/PhpPresentation/Shape/Chart/Legend.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/Chart/Marker.php b/src/PhpPresentation/Shape/Chart/Marker.php
index 74d41d655..c3c8dafa3 100644
--- a/src/PhpPresentation/Shape/Chart/Marker.php
+++ b/src/PhpPresentation/Shape/Chart/Marker.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/Chart/PlotArea.php b/src/PhpPresentation/Shape/Chart/PlotArea.php
index 9f1eaa635..1dd74200b 100644
--- a/src/PhpPresentation/Shape/Chart/PlotArea.php
+++ b/src/PhpPresentation/Shape/Chart/PlotArea.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/Chart/Series.php b/src/PhpPresentation/Shape/Chart/Series.php
index 104a7ef39..d80a6e644 100644
--- a/src/PhpPresentation/Shape/Chart/Series.php
+++ b/src/PhpPresentation/Shape/Chart/Series.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/Chart/Title.php b/src/PhpPresentation/Shape/Chart/Title.php
index a06c74468..8bbaf3ddf 100644
--- a/src/PhpPresentation/Shape/Chart/Title.php
+++ b/src/PhpPresentation/Shape/Chart/Title.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/Chart/Type/AbstractType.php b/src/PhpPresentation/Shape/Chart/Type/AbstractType.php
index b9bb21281..06234dd8c 100644
--- a/src/PhpPresentation/Shape/Chart/Type/AbstractType.php
+++ b/src/PhpPresentation/Shape/Chart/Type/AbstractType.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/Chart/Type/AbstractTypeBar.php b/src/PhpPresentation/Shape/Chart/Type/AbstractTypeBar.php
index 8b671c74e..974aba8f2 100644
--- a/src/PhpPresentation/Shape/Chart/Type/AbstractTypeBar.php
+++ b/src/PhpPresentation/Shape/Chart/Type/AbstractTypeBar.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/Chart/Type/AbstractTypeLine.php b/src/PhpPresentation/Shape/Chart/Type/AbstractTypeLine.php
index 159ca586a..c5a1029fa 100644
--- a/src/PhpPresentation/Shape/Chart/Type/AbstractTypeLine.php
+++ b/src/PhpPresentation/Shape/Chart/Type/AbstractTypeLine.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/Chart/Type/AbstractTypePie.php b/src/PhpPresentation/Shape/Chart/Type/AbstractTypePie.php
index 0583067bd..b4319b66f 100644
--- a/src/PhpPresentation/Shape/Chart/Type/AbstractTypePie.php
+++ b/src/PhpPresentation/Shape/Chart/Type/AbstractTypePie.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/Chart/Type/Area.php b/src/PhpPresentation/Shape/Chart/Type/Area.php
index bcdab0202..52dbd0f78 100644
--- a/src/PhpPresentation/Shape/Chart/Type/Area.php
+++ b/src/PhpPresentation/Shape/Chart/Type/Area.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/Chart/Type/Bar.php b/src/PhpPresentation/Shape/Chart/Type/Bar.php
index e16787d90..81b74cf8e 100644
--- a/src/PhpPresentation/Shape/Chart/Type/Bar.php
+++ b/src/PhpPresentation/Shape/Chart/Type/Bar.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/Chart/Type/Bar3D.php b/src/PhpPresentation/Shape/Chart/Type/Bar3D.php
index 1e4fa0b86..245dff355 100644
--- a/src/PhpPresentation/Shape/Chart/Type/Bar3D.php
+++ b/src/PhpPresentation/Shape/Chart/Type/Bar3D.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/Chart/Type/Doughnut.php b/src/PhpPresentation/Shape/Chart/Type/Doughnut.php
index 11cf58653..6f2437f67 100644
--- a/src/PhpPresentation/Shape/Chart/Type/Doughnut.php
+++ b/src/PhpPresentation/Shape/Chart/Type/Doughnut.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/Chart/Type/Line.php b/src/PhpPresentation/Shape/Chart/Type/Line.php
index b8d635e36..687d709c6 100644
--- a/src/PhpPresentation/Shape/Chart/Type/Line.php
+++ b/src/PhpPresentation/Shape/Chart/Type/Line.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/Chart/Type/Pie.php b/src/PhpPresentation/Shape/Chart/Type/Pie.php
index 3cf6959c1..237689be4 100644
--- a/src/PhpPresentation/Shape/Chart/Type/Pie.php
+++ b/src/PhpPresentation/Shape/Chart/Type/Pie.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/Chart/Type/Pie3D.php b/src/PhpPresentation/Shape/Chart/Type/Pie3D.php
index b8c63bec1..811ea0316 100644
--- a/src/PhpPresentation/Shape/Chart/Type/Pie3D.php
+++ b/src/PhpPresentation/Shape/Chart/Type/Pie3D.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/Chart/Type/Radar.php b/src/PhpPresentation/Shape/Chart/Type/Radar.php
index 322d30b4d..34704dbad 100644
--- a/src/PhpPresentation/Shape/Chart/Type/Radar.php
+++ b/src/PhpPresentation/Shape/Chart/Type/Radar.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/Chart/Type/Scatter.php b/src/PhpPresentation/Shape/Chart/Type/Scatter.php
index 16668b34a..8e4610e51 100644
--- a/src/PhpPresentation/Shape/Chart/Type/Scatter.php
+++ b/src/PhpPresentation/Shape/Chart/Type/Scatter.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/Chart/View3D.php b/src/PhpPresentation/Shape/Chart/View3D.php
index 64111db63..ffabce7fb 100644
--- a/src/PhpPresentation/Shape/Chart/View3D.php
+++ b/src/PhpPresentation/Shape/Chart/View3D.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/Comment.php b/src/PhpPresentation/Shape/Comment.php
index 945faa879..990a976fc 100644
--- a/src/PhpPresentation/Shape/Comment.php
+++ b/src/PhpPresentation/Shape/Comment.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/Comment/Author.php b/src/PhpPresentation/Shape/Comment/Author.php
index be9e3a896..e0754d3a2 100644
--- a/src/PhpPresentation/Shape/Comment/Author.php
+++ b/src/PhpPresentation/Shape/Comment/Author.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/Drawing/AbstractDrawingAdapter.php b/src/PhpPresentation/Shape/Drawing/AbstractDrawingAdapter.php
index f06988cfe..31aef9e14 100644
--- a/src/PhpPresentation/Shape/Drawing/AbstractDrawingAdapter.php
+++ b/src/PhpPresentation/Shape/Drawing/AbstractDrawingAdapter.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/Drawing/Base64.php b/src/PhpPresentation/Shape/Drawing/Base64.php
index 5574c78e0..ebce891db 100644
--- a/src/PhpPresentation/Shape/Drawing/Base64.php
+++ b/src/PhpPresentation/Shape/Drawing/Base64.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/Drawing/File.php b/src/PhpPresentation/Shape/Drawing/File.php
index 9078c98a0..7fd894ac3 100644
--- a/src/PhpPresentation/Shape/Drawing/File.php
+++ b/src/PhpPresentation/Shape/Drawing/File.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/Drawing/Gd.php b/src/PhpPresentation/Shape/Drawing/Gd.php
index 16fa6fe16..8194cf6f2 100644
--- a/src/PhpPresentation/Shape/Drawing/Gd.php
+++ b/src/PhpPresentation/Shape/Drawing/Gd.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/Drawing/ZipFile.php b/src/PhpPresentation/Shape/Drawing/ZipFile.php
index 481cfe70b..8d7c19ec6 100644
--- a/src/PhpPresentation/Shape/Drawing/ZipFile.php
+++ b/src/PhpPresentation/Shape/Drawing/ZipFile.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/Group.php b/src/PhpPresentation/Shape/Group.php
index 1d4353fdb..446a845d2 100644
--- a/src/PhpPresentation/Shape/Group.php
+++ b/src/PhpPresentation/Shape/Group.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/Hyperlink.php b/src/PhpPresentation/Shape/Hyperlink.php
index 97c0d2aec..a89e71828 100644
--- a/src/PhpPresentation/Shape/Hyperlink.php
+++ b/src/PhpPresentation/Shape/Hyperlink.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/Line.php b/src/PhpPresentation/Shape/Line.php
index 5e1c85aa5..dcede6107 100644
--- a/src/PhpPresentation/Shape/Line.php
+++ b/src/PhpPresentation/Shape/Line.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/Media.php b/src/PhpPresentation/Shape/Media.php
index b53cb86be..d7ae6564e 100644
--- a/src/PhpPresentation/Shape/Media.php
+++ b/src/PhpPresentation/Shape/Media.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/Placeholder.php b/src/PhpPresentation/Shape/Placeholder.php
index 1117736dc..fb5ca2466 100644
--- a/src/PhpPresentation/Shape/Placeholder.php
+++ b/src/PhpPresentation/Shape/Placeholder.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/RichText.php b/src/PhpPresentation/Shape/RichText.php
index 7aafe3c10..c037dc8b7 100644
--- a/src/PhpPresentation/Shape/RichText.php
+++ b/src/PhpPresentation/Shape/RichText.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/RichText/BreakElement.php b/src/PhpPresentation/Shape/RichText/BreakElement.php
index 093d4bb6d..6182a9d50 100644
--- a/src/PhpPresentation/Shape/RichText/BreakElement.php
+++ b/src/PhpPresentation/Shape/RichText/BreakElement.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/RichText/Paragraph.php b/src/PhpPresentation/Shape/RichText/Paragraph.php
index bbd2e2dcb..312cf80f5 100644
--- a/src/PhpPresentation/Shape/RichText/Paragraph.php
+++ b/src/PhpPresentation/Shape/RichText/Paragraph.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/RichText/Run.php b/src/PhpPresentation/Shape/RichText/Run.php
index a9f99fe3e..96f1622be 100644
--- a/src/PhpPresentation/Shape/RichText/Run.php
+++ b/src/PhpPresentation/Shape/RichText/Run.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/RichText/TextElement.php b/src/PhpPresentation/Shape/RichText/TextElement.php
index e240a01e2..80c9b8dab 100644
--- a/src/PhpPresentation/Shape/RichText/TextElement.php
+++ b/src/PhpPresentation/Shape/RichText/TextElement.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/RichText/TextElementInterface.php b/src/PhpPresentation/Shape/RichText/TextElementInterface.php
index 21db94586..f83fbbb80 100644
--- a/src/PhpPresentation/Shape/RichText/TextElementInterface.php
+++ b/src/PhpPresentation/Shape/RichText/TextElementInterface.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/Table.php b/src/PhpPresentation/Shape/Table.php
index 496077877..c1f1ff8da 100644
--- a/src/PhpPresentation/Shape/Table.php
+++ b/src/PhpPresentation/Shape/Table.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/Table/Cell.php b/src/PhpPresentation/Shape/Table/Cell.php
index d5e5251c8..f377fa92e 100644
--- a/src/PhpPresentation/Shape/Table/Cell.php
+++ b/src/PhpPresentation/Shape/Table/Cell.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Shape/Table/Row.php b/src/PhpPresentation/Shape/Table/Row.php
index 59e9207e2..782605c1c 100644
--- a/src/PhpPresentation/Shape/Table/Row.php
+++ b/src/PhpPresentation/Shape/Table/Row.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/ShapeContainerInterface.php b/src/PhpPresentation/ShapeContainerInterface.php
index 5fde0573d..69a5449fc 100644
--- a/src/PhpPresentation/ShapeContainerInterface.php
+++ b/src/PhpPresentation/ShapeContainerInterface.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Slide.php b/src/PhpPresentation/Slide.php
index 3b0a9218f..ea4864913 100644
--- a/src/PhpPresentation/Slide.php
+++ b/src/PhpPresentation/Slide.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
@@ -55,7 +56,7 @@ class Slide extends AbstractSlide implements ComparableInterface, ShapeContainer
     private $slideNote;
 
     /**
-     * @var \PhpOffice\PhpPresentation\Slide\Animation[]
+     * @var Slide\Animation[]
      */
     protected $animations = [];
 
@@ -225,7 +226,7 @@ public function addAnimation($animation)
     /**
      * Get collection of animations.
      *
-     * @return \PhpOffice\PhpPresentation\Slide\Animation[]
+     * @return Slide\Animation[]
      */
     public function getAnimations()
     {
@@ -235,7 +236,7 @@ public function getAnimations()
     /**
      * Set collection of animations.
      *
-     * @param \PhpOffice\PhpPresentation\Slide\Animation[] $array
+     * @param Slide\Animation[] $array
      *
      * @return Slide
      */
diff --git a/src/PhpPresentation/Slide/AbstractBackground.php b/src/PhpPresentation/Slide/AbstractBackground.php
index 94b9063b0..acbe41604 100644
--- a/src/PhpPresentation/Slide/AbstractBackground.php
+++ b/src/PhpPresentation/Slide/AbstractBackground.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Slide/AbstractSlide.php b/src/PhpPresentation/Slide/AbstractSlide.php
index 9c93c3283..714fa10b9 100644
--- a/src/PhpPresentation/Slide/AbstractSlide.php
+++ b/src/PhpPresentation/Slide/AbstractSlide.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Slide/Animation.php b/src/PhpPresentation/Slide/Animation.php
index e32a4c71b..302f82e06 100644
--- a/src/PhpPresentation/Slide/Animation.php
+++ b/src/PhpPresentation/Slide/Animation.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Slide/Background/Color.php b/src/PhpPresentation/Slide/Background/Color.php
index 22ed3e063..b67759227 100644
--- a/src/PhpPresentation/Slide/Background/Color.php
+++ b/src/PhpPresentation/Slide/Background/Color.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Slide/Background/Image.php b/src/PhpPresentation/Slide/Background/Image.php
index d39d00901..093fd005d 100644
--- a/src/PhpPresentation/Slide/Background/Image.php
+++ b/src/PhpPresentation/Slide/Background/Image.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Slide/Background/SchemeColor.php b/src/PhpPresentation/Slide/Background/SchemeColor.php
index 380502e89..772358179 100644
--- a/src/PhpPresentation/Slide/Background/SchemeColor.php
+++ b/src/PhpPresentation/Slide/Background/SchemeColor.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Slide/Iterator.php b/src/PhpPresentation/Slide/Iterator.php
index f718728ec..70c49cbc3 100644
--- a/src/PhpPresentation/Slide/Iterator.php
+++ b/src/PhpPresentation/Slide/Iterator.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Slide/Layout.php b/src/PhpPresentation/Slide/Layout.php
index e4c6726ee..511e37bb4 100644
--- a/src/PhpPresentation/Slide/Layout.php
+++ b/src/PhpPresentation/Slide/Layout.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Slide/Note.php b/src/PhpPresentation/Slide/Note.php
index b7a323c67..70fb525b9 100644
--- a/src/PhpPresentation/Slide/Note.php
+++ b/src/PhpPresentation/Slide/Note.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Slide/SlideLayout.php b/src/PhpPresentation/Slide/SlideLayout.php
index 24c34544b..4be9e220a 100644
--- a/src/PhpPresentation/Slide/SlideLayout.php
+++ b/src/PhpPresentation/Slide/SlideLayout.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Slide/SlideMaster.php b/src/PhpPresentation/Slide/SlideMaster.php
index 1d30e539a..1c051a68a 100644
--- a/src/PhpPresentation/Slide/SlideMaster.php
+++ b/src/PhpPresentation/Slide/SlideMaster.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Slide/Transition.php b/src/PhpPresentation/Slide/Transition.php
index b4589ba97..b8d0be899 100644
--- a/src/PhpPresentation/Slide/Transition.php
+++ b/src/PhpPresentation/Slide/Transition.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Style/Alignment.php b/src/PhpPresentation/Style/Alignment.php
index 9e17e7dcd..817f44a8a 100644
--- a/src/PhpPresentation/Style/Alignment.php
+++ b/src/PhpPresentation/Style/Alignment.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Style/Border.php b/src/PhpPresentation/Style/Border.php
index 287549ebf..6dea6a395 100644
--- a/src/PhpPresentation/Style/Border.php
+++ b/src/PhpPresentation/Style/Border.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Style/Borders.php b/src/PhpPresentation/Style/Borders.php
index f2aefa5b8..cfa42ecf4 100644
--- a/src/PhpPresentation/Style/Borders.php
+++ b/src/PhpPresentation/Style/Borders.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Style/Bullet.php b/src/PhpPresentation/Style/Bullet.php
index 1222cc1f4..e93fc8e6f 100644
--- a/src/PhpPresentation/Style/Bullet.php
+++ b/src/PhpPresentation/Style/Bullet.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Style/Color.php b/src/PhpPresentation/Style/Color.php
index 6e1f54da6..20ee825fe 100644
--- a/src/PhpPresentation/Style/Color.php
+++ b/src/PhpPresentation/Style/Color.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Style/ColorMap.php b/src/PhpPresentation/Style/ColorMap.php
index 5d67c4896..32b976bde 100644
--- a/src/PhpPresentation/Style/ColorMap.php
+++ b/src/PhpPresentation/Style/ColorMap.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Style/Fill.php b/src/PhpPresentation/Style/Fill.php
index 337ea3cb6..f462bf161 100644
--- a/src/PhpPresentation/Style/Fill.php
+++ b/src/PhpPresentation/Style/Fill.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Style/Font.php b/src/PhpPresentation/Style/Font.php
index 2975df4ef..b090a43eb 100644
--- a/src/PhpPresentation/Style/Font.php
+++ b/src/PhpPresentation/Style/Font.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Style/Outline.php b/src/PhpPresentation/Style/Outline.php
index ab1cc9d69..7604510b8 100644
--- a/src/PhpPresentation/Style/Outline.php
+++ b/src/PhpPresentation/Style/Outline.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Style/SchemeColor.php b/src/PhpPresentation/Style/SchemeColor.php
index 04e724425..9fd8163ed 100644
--- a/src/PhpPresentation/Style/SchemeColor.php
+++ b/src/PhpPresentation/Style/SchemeColor.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Style/Shadow.php b/src/PhpPresentation/Style/Shadow.php
index af3b3e1c3..ceafb8eaa 100644
--- a/src/PhpPresentation/Style/Shadow.php
+++ b/src/PhpPresentation/Style/Shadow.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Style/TextStyle.php b/src/PhpPresentation/Style/TextStyle.php
index 2ce0555ac..4e24a966f 100644
--- a/src/PhpPresentation/Style/TextStyle.php
+++ b/src/PhpPresentation/Style/TextStyle.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Traits/ShapeCollection.php b/src/PhpPresentation/Traits/ShapeCollection.php
index 6c7582cb1..3ef47937c 100644
--- a/src/PhpPresentation/Traits/ShapeCollection.php
+++ b/src/PhpPresentation/Traits/ShapeCollection.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Writer/AbstractDecoratorWriter.php b/src/PhpPresentation/Writer/AbstractDecoratorWriter.php
index ddcce2a31..edf756654 100644
--- a/src/PhpPresentation/Writer/AbstractDecoratorWriter.php
+++ b/src/PhpPresentation/Writer/AbstractDecoratorWriter.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Writer/AbstractWriter.php b/src/PhpPresentation/Writer/AbstractWriter.php
index edbfb89c8..099771928 100644
--- a/src/PhpPresentation/Writer/AbstractWriter.php
+++ b/src/PhpPresentation/Writer/AbstractWriter.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Writer/ODPresentation.php b/src/PhpPresentation/Writer/ODPresentation.php
index f142fe06c..7d9b77169 100644
--- a/src/PhpPresentation/Writer/ODPresentation.php
+++ b/src/PhpPresentation/Writer/ODPresentation.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Writer/ODPresentation/AbstractDecoratorWriter.php b/src/PhpPresentation/Writer/ODPresentation/AbstractDecoratorWriter.php
index 98c6064ea..7b3f58e4e 100644
--- a/src/PhpPresentation/Writer/ODPresentation/AbstractDecoratorWriter.php
+++ b/src/PhpPresentation/Writer/ODPresentation/AbstractDecoratorWriter.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
@@ -29,7 +30,7 @@ abstract class AbstractDecoratorWriter extends \PhpOffice\PhpPresentation\Writer
     protected $arrayChart;
 
     /**
-     * @return \PhpOffice\PhpPresentation\Shape\Chart[]
+     * @return Chart[]
      */
     public function getArrayChart()
     {
@@ -37,7 +38,7 @@ public function getArrayChart()
     }
 
     /**
-     * @param \PhpOffice\PhpPresentation\Shape\Chart[] $arrayChart
+     * @param Chart[] $arrayChart
      *
      * @return AbstractDecoratorWriter
      */
diff --git a/src/PhpPresentation/Writer/ODPresentation/Content.php b/src/PhpPresentation/Writer/ODPresentation/Content.php
index 33de96a40..acd4bb0da 100644
--- a/src/PhpPresentation/Writer/ODPresentation/Content.php
+++ b/src/PhpPresentation/Writer/ODPresentation/Content.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Writer/ODPresentation/Meta.php b/src/PhpPresentation/Writer/ODPresentation/Meta.php
index cc1ca03ab..7feca8b5b 100644
--- a/src/PhpPresentation/Writer/ODPresentation/Meta.php
+++ b/src/PhpPresentation/Writer/ODPresentation/Meta.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Writer/ODPresentation/MetaInfManifest.php b/src/PhpPresentation/Writer/ODPresentation/MetaInfManifest.php
index b97f3d6f4..c39042442 100644
--- a/src/PhpPresentation/Writer/ODPresentation/MetaInfManifest.php
+++ b/src/PhpPresentation/Writer/ODPresentation/MetaInfManifest.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Writer/ODPresentation/Mimetype.php b/src/PhpPresentation/Writer/ODPresentation/Mimetype.php
index 5a7060417..00259bf13 100644
--- a/src/PhpPresentation/Writer/ODPresentation/Mimetype.php
+++ b/src/PhpPresentation/Writer/ODPresentation/Mimetype.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Writer/ODPresentation/ObjectsChart.php b/src/PhpPresentation/Writer/ODPresentation/ObjectsChart.php
index e2f896c2a..8b2f901a1 100644
--- a/src/PhpPresentation/Writer/ODPresentation/ObjectsChart.php
+++ b/src/PhpPresentation/Writer/ODPresentation/ObjectsChart.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Writer/ODPresentation/Pictures.php b/src/PhpPresentation/Writer/ODPresentation/Pictures.php
index ba83e8306..ad75a2010 100644
--- a/src/PhpPresentation/Writer/ODPresentation/Pictures.php
+++ b/src/PhpPresentation/Writer/ODPresentation/Pictures.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Writer/ODPresentation/Styles.php b/src/PhpPresentation/Writer/ODPresentation/Styles.php
index a36a067cf..21e1fb2c9 100644
--- a/src/PhpPresentation/Writer/ODPresentation/Styles.php
+++ b/src/PhpPresentation/Writer/ODPresentation/Styles.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Writer/ODPresentation/ThumbnailsThumbnail.php b/src/PhpPresentation/Writer/ODPresentation/ThumbnailsThumbnail.php
index 7d05129b6..7a337da2e 100644
--- a/src/PhpPresentation/Writer/ODPresentation/ThumbnailsThumbnail.php
+++ b/src/PhpPresentation/Writer/ODPresentation/ThumbnailsThumbnail.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Writer/PowerPoint2007.php b/src/PhpPresentation/Writer/PowerPoint2007.php
index dd46c37ee..3897e2d2a 100644
--- a/src/PhpPresentation/Writer/PowerPoint2007.php
+++ b/src/PhpPresentation/Writer/PowerPoint2007.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Writer/PowerPoint2007/AbstractDecoratorWriter.php b/src/PhpPresentation/Writer/PowerPoint2007/AbstractDecoratorWriter.php
index a96413c2d..115cf0a16 100644
--- a/src/PhpPresentation/Writer/PowerPoint2007/AbstractDecoratorWriter.php
+++ b/src/PhpPresentation/Writer/PowerPoint2007/AbstractDecoratorWriter.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Writer/PowerPoint2007/AbstractSlide.php b/src/PhpPresentation/Writer/PowerPoint2007/AbstractSlide.php
index 58ef3b244..e6d085ac7 100644
--- a/src/PhpPresentation/Writer/PowerPoint2007/AbstractSlide.php
+++ b/src/PhpPresentation/Writer/PowerPoint2007/AbstractSlide.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Writer/PowerPoint2007/CommentAuthors.php b/src/PhpPresentation/Writer/PowerPoint2007/CommentAuthors.php
index a73a88518..4d02ccba4 100644
--- a/src/PhpPresentation/Writer/PowerPoint2007/CommentAuthors.php
+++ b/src/PhpPresentation/Writer/PowerPoint2007/CommentAuthors.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Writer/PowerPoint2007/ContentTypes.php b/src/PhpPresentation/Writer/PowerPoint2007/ContentTypes.php
index aa8ea2a9d..87e4d5b57 100644
--- a/src/PhpPresentation/Writer/PowerPoint2007/ContentTypes.php
+++ b/src/PhpPresentation/Writer/PowerPoint2007/ContentTypes.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Writer/PowerPoint2007/DocPropsApp.php b/src/PhpPresentation/Writer/PowerPoint2007/DocPropsApp.php
index 882cf3c8c..eb8876870 100644
--- a/src/PhpPresentation/Writer/PowerPoint2007/DocPropsApp.php
+++ b/src/PhpPresentation/Writer/PowerPoint2007/DocPropsApp.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Writer/PowerPoint2007/DocPropsCore.php b/src/PhpPresentation/Writer/PowerPoint2007/DocPropsCore.php
index d21f6863a..eced14d9e 100644
--- a/src/PhpPresentation/Writer/PowerPoint2007/DocPropsCore.php
+++ b/src/PhpPresentation/Writer/PowerPoint2007/DocPropsCore.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Writer/PowerPoint2007/DocPropsCustom.php b/src/PhpPresentation/Writer/PowerPoint2007/DocPropsCustom.php
index ccb257fa4..1937a528d 100644
--- a/src/PhpPresentation/Writer/PowerPoint2007/DocPropsCustom.php
+++ b/src/PhpPresentation/Writer/PowerPoint2007/DocPropsCustom.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Writer/PowerPoint2007/DocPropsThumbnail.php b/src/PhpPresentation/Writer/PowerPoint2007/DocPropsThumbnail.php
index aac86bc75..185abf1b5 100644
--- a/src/PhpPresentation/Writer/PowerPoint2007/DocPropsThumbnail.php
+++ b/src/PhpPresentation/Writer/PowerPoint2007/DocPropsThumbnail.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Writer/PowerPoint2007/PptCharts.php b/src/PhpPresentation/Writer/PowerPoint2007/PptCharts.php
index 221f6f005..7ab24907f 100644
--- a/src/PhpPresentation/Writer/PowerPoint2007/PptCharts.php
+++ b/src/PhpPresentation/Writer/PowerPoint2007/PptCharts.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Writer/PowerPoint2007/PptComments.php b/src/PhpPresentation/Writer/PowerPoint2007/PptComments.php
index e585cd247..7a20e4eb0 100644
--- a/src/PhpPresentation/Writer/PowerPoint2007/PptComments.php
+++ b/src/PhpPresentation/Writer/PowerPoint2007/PptComments.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Writer/PowerPoint2007/PptMedia.php b/src/PhpPresentation/Writer/PowerPoint2007/PptMedia.php
index 13caebfed..ea81c0134 100644
--- a/src/PhpPresentation/Writer/PowerPoint2007/PptMedia.php
+++ b/src/PhpPresentation/Writer/PowerPoint2007/PptMedia.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Writer/PowerPoint2007/PptPresProps.php b/src/PhpPresentation/Writer/PowerPoint2007/PptPresProps.php
index 05f0103d2..5f7f7eb3f 100644
--- a/src/PhpPresentation/Writer/PowerPoint2007/PptPresProps.php
+++ b/src/PhpPresentation/Writer/PowerPoint2007/PptPresProps.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Writer/PowerPoint2007/PptPresentation.php b/src/PhpPresentation/Writer/PowerPoint2007/PptPresentation.php
index 6f93dd466..18d1b556c 100644
--- a/src/PhpPresentation/Writer/PowerPoint2007/PptPresentation.php
+++ b/src/PhpPresentation/Writer/PowerPoint2007/PptPresentation.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Writer/PowerPoint2007/PptSlideLayouts.php b/src/PhpPresentation/Writer/PowerPoint2007/PptSlideLayouts.php
index 58a718a04..a0052bae9 100644
--- a/src/PhpPresentation/Writer/PowerPoint2007/PptSlideLayouts.php
+++ b/src/PhpPresentation/Writer/PowerPoint2007/PptSlideLayouts.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Writer/PowerPoint2007/PptSlideMasters.php b/src/PhpPresentation/Writer/PowerPoint2007/PptSlideMasters.php
index 7109caaa7..8c289bfc4 100644
--- a/src/PhpPresentation/Writer/PowerPoint2007/PptSlideMasters.php
+++ b/src/PhpPresentation/Writer/PowerPoint2007/PptSlideMasters.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Writer/PowerPoint2007/PptSlides.php b/src/PhpPresentation/Writer/PowerPoint2007/PptSlides.php
index de600cdf1..bc3fe2735 100644
--- a/src/PhpPresentation/Writer/PowerPoint2007/PptSlides.php
+++ b/src/PhpPresentation/Writer/PowerPoint2007/PptSlides.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Writer/PowerPoint2007/PptTableProps.php b/src/PhpPresentation/Writer/PowerPoint2007/PptTableProps.php
index f92f6ddb3..da291844a 100644
--- a/src/PhpPresentation/Writer/PowerPoint2007/PptTableProps.php
+++ b/src/PhpPresentation/Writer/PowerPoint2007/PptTableProps.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Writer/PowerPoint2007/PptTheme.php b/src/PhpPresentation/Writer/PowerPoint2007/PptTheme.php
index 9b53b7c1c..ef8eff428 100644
--- a/src/PhpPresentation/Writer/PowerPoint2007/PptTheme.php
+++ b/src/PhpPresentation/Writer/PowerPoint2007/PptTheme.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Writer/PowerPoint2007/PptViewProps.php b/src/PhpPresentation/Writer/PowerPoint2007/PptViewProps.php
index 17891a69a..4db62e4e9 100644
--- a/src/PhpPresentation/Writer/PowerPoint2007/PptViewProps.php
+++ b/src/PhpPresentation/Writer/PowerPoint2007/PptViewProps.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Writer/PowerPoint2007/Relationships.php b/src/PhpPresentation/Writer/PowerPoint2007/Relationships.php
index 7d652778c..501dbc615 100644
--- a/src/PhpPresentation/Writer/PowerPoint2007/Relationships.php
+++ b/src/PhpPresentation/Writer/PowerPoint2007/Relationships.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Writer/Serialized.php b/src/PhpPresentation/Writer/Serialized.php
index 34acb7d2e..992e06e89 100644
--- a/src/PhpPresentation/Writer/Serialized.php
+++ b/src/PhpPresentation/Writer/Serialized.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.
diff --git a/src/PhpPresentation/Writer/WriterInterface.php b/src/PhpPresentation/Writer/WriterInterface.php
index 7c04b7adb..3e910efa7 100644
--- a/src/PhpPresentation/Writer/WriterInterface.php
+++ b/src/PhpPresentation/Writer/WriterInterface.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file is part of PHPPresentation - A pure PHP library for reading and writing
  * presentations documents.