tdf#42949 Fix IWYU warnings in chart2/source/inc/[l-z]*

Found with bin/find-unneeded-includes
Only removal proposals are dealt with here.
Some only-recently analyzed files were cleaned.
Also tried harder to use more fw decls instead of blacklisting

Change-Id: Ie4f8eb7065e44a2b5208d6da4fa8e3681a31820b
Reviewed-on: https://gerrit.libreoffice.org/59420
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>

23 files changed, 102 insertions, 64 deletions

diff --git a/chart2/source/inc/LabeledDataSequence.hxx b/chart2/source/inc/LabeledDataSequence.hxx
index 5b8923cb7530..6117c2ffa322 100644
--- a/chart2/source/inc/LabeledDataSequence.hxx
+++ b/chart2/source/inc/LabeledDataSequence.hxx
@@ -24,9 +24,10 @@
 
 #include <com/sun/star/chart2/data/XLabeledDataSequence2.hpp>
 #include <com/sun/star/lang/XServiceInfo.hpp>
-#include <com/sun/star/util/XCloneable.hpp>
-#include <com/sun/star/uno/XComponentContext.hpp>
-#include <com/sun/star/util/XModifyBroadcaster.hpp>
+
+namespace com { namespace sun { namespace star { namespace chart2 { namespace data { class XDataSequence; } } } } }
+namespace com { namespace sun { namespace star { namespace util { class XCloneable; } } } }
+namespace com { namespace sun { namespace star { namespace util { class XModifyListener; } } } }
 
 namespace chart
 {
diff --git a/chart2/source/inc/LegendHelper.hxx b/chart2/source/inc/LegendHelper.hxx
index 0ecb3a142c83..9b1d2546beca 100644
--- a/chart2/source/inc/LegendHelper.hxx
+++ b/chart2/source/inc/LegendHelper.hxx
@@ -19,13 +19,13 @@
 #ifndef INCLUDED_CHART2_SOURCE_INC_LEGENDHELPER_HXX
 #define INCLUDED_CHART2_SOURCE_INC_LEGENDHELPER_HXX
 
-#include <rtl/ustring.hxx>
-#include <com/sun/star/chart2/XLegend.hpp>
-#include <com/sun/star/chart2/XDiagram.hpp>
-#include <com/sun/star/uno/XComponentContext.hpp>
+#include <com/sun/star/uno/Reference.hxx>
 #include "charttoolsdllapi.hxx"
 
-#include <ChartModel.hxx>
+namespace chart { class ChartModel; }
+namespace com { namespace sun { namespace star { namespace chart2 { class XDiagram; } } } }
+namespace com { namespace sun { namespace star { namespace chart2 { class XLegend; } } } }
+namespace com { namespace sun { namespace star { namespace uno { class XComponentContext; } } } }
 
 namespace chart
 {
diff --git a/chart2/source/inc/LinearRegressionCurveCalculator.hxx b/chart2/source/inc/LinearRegressionCurveCalculator.hxx
index 11d323887b98..24d82d1ecf5d 100644
--- a/chart2/source/inc/LinearRegressionCurveCalculator.hxx
+++ b/chart2/source/inc/LinearRegressionCurveCalculator.hxx
@@ -19,7 +19,6 @@
 #ifndef INCLUDED_CHART2_SOURCE_INC_LINEARREGRESSIONCURVECALCULATOR_HXX
 #define INCLUDED_CHART2_SOURCE_INC_LINEARREGRESSIONCURVECALCULATOR_HXX
 
-#include "RegressionCurveCalculator.hxx"
 #include "PolynomialRegressionCurveCalculator.hxx"
 
 namespace chart
diff --git a/chart2/source/inc/MediaDescriptorHelper.hxx b/chart2/source/inc/MediaDescriptorHelper.hxx
index 9c6b4705f823..cd78408c92b9 100644
--- a/chart2/source/inc/MediaDescriptorHelper.hxx
+++ b/chart2/source/inc/MediaDescriptorHelper.hxx
@@ -20,13 +20,15 @@
 #define INCLUDED_CHART2_SOURCE_INC_MEDIADESCRIPTORHELPER_HXX
 
 #include <com/sun/star/uno/Sequence.hxx>
-#include <com/sun/star/beans/PropertyValue.hpp>
-#include <com/sun/star/io/XStream.hpp>
-#include <com/sun/star/io/XInputStream.hpp>
-#include <com/sun/star/io/XOutputStream.hpp>
-#include <com/sun/star/embed/XStorage.hpp>
+#include <com/sun/star/uno/Reference.hxx>
 #include "charttoolsdllapi.hxx"
 
+namespace com { namespace sun { namespace star { namespace beans { struct PropertyValue; } } } }
+namespace com { namespace sun { namespace star { namespace embed { class XStorage; } } } }
+namespace com { namespace sun { namespace star { namespace io { class XInputStream; } } } }
+namespace com { namespace sun { namespace star { namespace io { class XOutputStream; } } } }
+namespace com { namespace sun { namespace star { namespace io { class XStream; } } } }
+
 /*
 * This class helps to read and write the properties mentioned in the service description
 * com.sun.star.document.MediaDescriptor from and to a sequence of PropertyValues.
diff --git a/chart2/source/inc/ModifyListenerHelper.hxx b/chart2/source/inc/ModifyListenerHelper.hxx
index 42bb4838eeed..48de142db752 100644
--- a/chart2/source/inc/ModifyListenerHelper.hxx
+++ b/chart2/source/inc/ModifyListenerHelper.hxx
@@ -21,9 +21,7 @@
 
 #include <com/sun/star/util/XModifyListener.hpp>
 #include <com/sun/star/util/XModifyBroadcaster.hpp>
-#include <com/sun/star/uno/XWeak.hpp>
 #include <cppuhelper/compbase.hxx>
-#include <cppuhelper/weakref.hxx>
 
 #include "MutexContainer.hxx"
 #include "charttoolsdllapi.hxx"
@@ -32,6 +30,9 @@
 #include <algorithm>
 #include <utility>
 
+namespace com { namespace sun { namespace star { namespace uno { class XWeak; } } } }
+namespace com { namespace sun { namespace star { namespace uno { template <class interface_type> class WeakReference; } } } }
+
 namespace chart
 {
 namespace ModifyListenerHelper
diff --git a/chart2/source/inc/NumberFormatterWrapper.hxx b/chart2/source/inc/NumberFormatterWrapper.hxx
index 2553941c54dd..74a0976a5a51 100644
--- a/chart2/source/inc/NumberFormatterWrapper.hxx
+++ b/chart2/source/inc/NumberFormatterWrapper.hxx
@@ -20,8 +20,12 @@
 #define INCLUDED_CHART2_SOURCE_INC_NUMBERFORMATTERWRAPPER_HXX
 
 #include "charttoolsdllapi.hxx"
-#include <svl/zforlist.hxx>
 #include <com/sun/star/util/XNumberFormatsSupplier.hpp>
+#include <tools/solar.h>
+#include <tools/date.hxx>
+
+class SvNumberFormatter;
+class Color;
 
 namespace chart
 {
diff --git a/chart2/source/inc/ObjectIdentifier.hxx b/chart2/source/inc/ObjectIdentifier.hxx
index 8cb3c3c4ad37..79fb15232c81 100644
--- a/chart2/source/inc/ObjectIdentifier.hxx
+++ b/chart2/source/inc/ObjectIdentifier.hxx
@@ -19,20 +19,22 @@
 #ifndef INCLUDED_CHART2_SOURCE_INC_OBJECTIDENTIFIER_HXX
 #define INCLUDED_CHART2_SOURCE_INC_OBJECTIDENTIFIER_HXX
 
-#include <com/sun/star/chart2/XChartType.hpp>
-#include <com/sun/star/chart2/XDiagram.hpp>
-#include <com/sun/star/chart2/XCoordinateSystem.hpp>
-#include <com/sun/star/chart2/XDataSeries.hpp>
-#include <com/sun/star/chart2/XChartDocument.hpp>
 #include "TitleHelper.hxx"
 #include "charttoolsdllapi.hxx"
-#include <ChartModel.hxx>
 
 #include <rtl/ustring.hxx>
-#include <com/sun/star/frame/XModel.hpp>
-#include <com/sun/star/beans/XPropertySet.hpp>
-#include <com/sun/star/awt/Point.hpp>
-#include <com/sun/star/drawing/XShape.hpp>
+
+namespace chart { class ChartModel; }
+namespace com { namespace sun { namespace star { namespace awt { struct Point; } } } }
+namespace com { namespace sun { namespace star { namespace beans { class XPropertySet; } } } }
+namespace com { namespace sun { namespace star { namespace chart2 { class XAxis; } } } }
+namespace com { namespace sun { namespace star { namespace chart2 { class XChartDocument; } } } }
+namespace com { namespace sun { namespace star { namespace chart2 { class XCoordinateSystem; } } } }
+namespace com { namespace sun { namespace star { namespace chart2 { class XDataSeries; } } } }
+namespace com { namespace sun { namespace star { namespace chart2 { class XDiagram; } } } }
+namespace com { namespace sun { namespace star { namespace drawing { class XShape; } } } }
+namespace com { namespace sun { namespace star { namespace frame { class XModel; } } } }
+namespace com { namespace sun { namespace star { namespace uno { class XInterface; } } } }
 
 namespace chart
 {
diff --git a/chart2/source/inc/PotentialRegressionCurveCalculator.hxx b/chart2/source/inc/PotentialRegressionCurveCalculator.hxx
index 06cdc5080316..c3306d3c6ee4 100644
--- a/chart2/source/inc/PotentialRegressionCurveCalculator.hxx
+++ b/chart2/source/inc/PotentialRegressionCurveCalculator.hxx
@@ -20,7 +20,6 @@
 #define INCLUDED_CHART2_SOURCE_INC_POTENTIALREGRESSIONCURVECALCULATOR_HXX
 
 #include "RegressionCurveCalculator.hxx"
-#include "charttoolsdllapi.hxx"
 
 namespace chart
 {
diff --git a/chart2/source/inc/PropertyHelper.hxx b/chart2/source/inc/PropertyHelper.hxx
index ae84a8c2aac8..ddf941a6d3e5 100644
--- a/chart2/source/inc/PropertyHelper.hxx
+++ b/chart2/source/inc/PropertyHelper.hxx
@@ -21,11 +21,12 @@
 
 #include <com/sun/star/beans/Property.hpp>
 #include <com/sun/star/uno/Any.hxx>
-#include <com/sun/star/lang/XMultiServiceFactory.hpp>
 #include "charttoolsdllapi.hxx"
 
 #include <unordered_map>
 
+namespace com { namespace sun { namespace star { namespace lang { class XMultiServiceFactory; } } } }
+
 namespace chart
 {
 
diff --git a/chart2/source/inc/RangeHighlighter.hxx b/chart2/source/inc/RangeHighlighter.hxx
index 01f408116bc8..acb79c80e302 100644
--- a/chart2/source/inc/RangeHighlighter.hxx
+++ b/chart2/source/inc/RangeHighlighter.hxx
@@ -22,8 +22,7 @@
 #include "MutexContainer.hxx"
 #include <cppuhelper/compbase.hxx>
 #include <com/sun/star/chart2/data/XRangeHighlighter.hpp>
-#include <com/sun/star/view/XSelectionSupplier.hpp>
-#include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/view/XSelectionChangeListener.hpp>
 
 namespace com { namespace sun { namespace star {
 namespace chart2 {
@@ -32,6 +31,9 @@ namespace chart2 {
     class XAxis;
 }}}}
 
+namespace com { namespace sun { namespace star { namespace beans { class XPropertySet; } } } }
+namespace com { namespace sun { namespace star { namespace view { class XSelectionSupplier; } } } }
+
 namespace chart
 {
 
diff --git a/chart2/source/inc/ReferenceSizeProvider.hxx b/chart2/source/inc/ReferenceSizeProvider.hxx
index a12b2f2800f8..59b11ead29f5 100644
--- a/chart2/source/inc/ReferenceSizeProvider.hxx
+++ b/chart2/source/inc/ReferenceSizeProvider.hxx
@@ -20,7 +20,6 @@
 #define INCLUDED_CHART2_SOURCE_INC_REFERENCESIZEPROVIDER_HXX
 
 #include <com/sun/star/uno/Reference.hxx>
-#include <com/sun/star/chart2/XChartDocument.hpp>
 #include <com/sun/star/awt/Size.hpp>
 #include "charttoolsdllapi.hxx"
 
@@ -28,6 +27,10 @@ namespace com { namespace sun { namespace star {
 namespace chart2 {
     class XTitle;
     class XTitled;
+    class XChartDocument;
+}
+namespace beans {
+    class XPropertySet;
 }
 }}}
 
diff --git a/chart2/source/inc/RegressionCurveCalculator.hxx b/chart2/source/inc/RegressionCurveCalculator.hxx
index 18c220f981be..553e1e3fc7c6 100644
--- a/chart2/source/inc/RegressionCurveCalculator.hxx
+++ b/chart2/source/inc/RegressionCurveCalculator.hxx
@@ -23,7 +23,9 @@
 #include <rtl/ustrbuf.hxx>
 
 #include <com/sun/star/chart2/XRegressionCurveCalculator.hpp>
-#include <com/sun/star/util/XNumberFormatter.hpp>
+
+namespace com { namespace sun { namespace star { namespace util { class XNumberFormatsSupplier; } } } }
+namespace com { namespace sun { namespace star { namespace util { class XNumberFormatter; } } } }
 
 namespace chart
 {
diff --git a/chart2/source/inc/RegressionCurveHelper.hxx b/chart2/source/inc/RegressionCurveHelper.hxx
index dad317be913f..f5b3549df6fc 100644
--- a/chart2/source/inc/RegressionCurveHelper.hxx
+++ b/chart2/source/inc/RegressionCurveHelper.hxx
@@ -19,19 +19,20 @@
 #ifndef INCLUDED_CHART2_SOURCE_INC_REGRESSIONCURVEHELPER_HXX
 #define INCLUDED_CHART2_SOURCE_INC_REGRESSIONCURVEHELPER_HXX
 
-#include <com/sun/star/chart2/XRegressionCurve.hpp>
-#include <com/sun/star/chart2/XRegressionCurveCalculator.hpp>
-#include <com/sun/star/chart2/XRegressionCurveContainer.hpp>
-#include <com/sun/star/chart2/data/XDataSource.hpp>
-#include <com/sun/star/chart2/XDataSeries.hpp>
-#include <com/sun/star/chart2/XDiagram.hpp>
-#include <com/sun/star/uno/XComponentContext.hpp>
-#include <com/sun/star/frame/XModel.hpp>
 #include <svx/chrtitem.hxx>
 #include "charttoolsdllapi.hxx"
 
 #include <vector>
 
+namespace com { namespace sun { namespace star { namespace beans { class XPropertySet; } } } }
+namespace com { namespace sun { namespace star { namespace chart2 { class XDataSeries; } } } }
+namespace com { namespace sun { namespace star { namespace chart2 { class XDiagram; } } } }
+namespace com { namespace sun { namespace star { namespace chart2 { class XRegressionCurve; } } } }
+namespace com { namespace sun { namespace star { namespace chart2 { class XRegressionCurveCalculator; } } } }
+namespace com { namespace sun { namespace star { namespace chart2 { class XRegressionCurveContainer; } } } }
+namespace com { namespace sun { namespace star { namespace chart2 { namespace data { class XDataSource; } } } } }
+namespace com { namespace sun { namespace star { namespace frame { class XModel; } } } }
+
 namespace chart
 {
 
diff --git a/chart2/source/inc/RelativePositionHelper.hxx b/chart2/source/inc/RelativePositionHelper.hxx
index 54cf312b10bc..36933110f059 100644
--- a/chart2/source/inc/RelativePositionHelper.hxx
+++ b/chart2/source/inc/RelativePositionHelper.hxx
@@ -21,12 +21,13 @@
 #define INCLUDED_CHART2_SOURCE_INC_RELATIVEPOSITIONHELPER_HXX
 
 #include <com/sun/star/chart2/RelativePosition.hpp>
-#include <com/sun/star/chart2/RelativeSize.hpp>
 #include <com/sun/star/drawing/Alignment.hpp>
 #include <com/sun/star/awt/Point.hpp>
-#include <com/sun/star/awt/Size.hpp>
 #include "charttoolsdllapi.hxx"
 
+namespace com { namespace sun { namespace star { namespace awt { struct Size; } } } }
+namespace com { namespace sun { namespace star { namespace chart2 { struct RelativeSize; } } } }
+
 namespace chart
 {
 
diff --git a/chart2/source/inc/RelativeSizeHelper.hxx b/chart2/source/inc/RelativeSizeHelper.hxx
index 0bb50bcac168..22bb89ac7bb4 100644
--- a/chart2/source/inc/RelativeSizeHelper.hxx
+++ b/chart2/source/inc/RelativeSizeHelper.hxx
@@ -19,10 +19,12 @@
 #ifndef INCLUDED_CHART2_SOURCE_INC_RELATIVESIZEHELPER_HXX
 #define INCLUDED_CHART2_SOURCE_INC_RELATIVESIZEHELPER_HXX
 
-#include <com/sun/star/awt/Size.hpp>
-#include <com/sun/star/beans/XPropertySet.hpp>
 #include "charttoolsdllapi.hxx"
 
+namespace com { namespace sun { namespace star { namespace awt { struct Size; } } } }
+namespace com { namespace sun { namespace star { namespace beans { class XPropertySet; } } } }
+namespace com { namespace sun { namespace star { namespace uno { template <class interface_type> class Reference; } } } }
+
 namespace chart
 {
 
diff --git a/chart2/source/inc/SceneProperties.hxx b/chart2/source/inc/SceneProperties.hxx
index bb2cc8b02001..9553a5a60d4a 100644
--- a/chart2/source/inc/SceneProperties.hxx
+++ b/chart2/source/inc/SceneProperties.hxx
@@ -22,10 +22,11 @@
 #include "PropertyHelper.hxx"
 #include "FastPropertyIdRanges.hxx"
 #include "charttoolsdllapi.hxx"
-#include <com/sun/star/beans/Property.hpp>
 
 #include <vector>
 
+namespace com { namespace sun { namespace star { namespace beans { struct Property; } } } }
+
 namespace chart
 {
 
diff --git a/chart2/source/inc/StatisticsHelper.hxx b/chart2/source/inc/StatisticsHelper.hxx
index 1c75344131d1..369b41ec5b43 100644
--- a/chart2/source/inc/StatisticsHelper.hxx
+++ b/chart2/source/inc/StatisticsHelper.hxx
@@ -19,12 +19,18 @@
 #ifndef INCLUDED_CHART2_SOURCE_INC_STATISTICSHELPER_HXX
 #define INCLUDED_CHART2_SOURCE_INC_STATISTICSHELPER_HXX
 
-#include <com/sun/star/uno/Sequence.hxx>
-#include <com/sun/star/chart2/data/XDataSource.hpp>
-#include <com/sun/star/chart2/data/XDataProvider.hpp>
-#include <com/sun/star/chart2/XDataSeries.hpp>
+#include <com/sun/star/uno/Reference.h>
+#include <rtl/ustring.hxx>
 #include "charttoolsdllapi.hxx"
 
+namespace com { namespace sun { namespace star { namespace beans { class XPropertySet; } } } }
+namespace com { namespace sun { namespace star { namespace chart2 { class XDataSeries; } } } }
+namespace com { namespace sun { namespace star { namespace chart2 { namespace data { class XDataProvider; } } } } }
+namespace com { namespace sun { namespace star { namespace chart2 { namespace data { class XDataSequence; } } } } }
+namespace com { namespace sun { namespace star { namespace chart2 { namespace data { class XDataSource; } } } } }
+namespace com { namespace sun { namespace star { namespace chart2 { namespace data { class XLabeledDataSequence; } } } } }
+namespace com { namespace sun { namespace star { namespace uno { template <typename > class Sequence; } } } }
+
 namespace chart
 {
 
diff --git a/chart2/source/inc/ThreeDHelper.hxx b/chart2/source/inc/ThreeDHelper.hxx
index 1b90ce394569..fedf0d0df998 100644
--- a/chart2/source/inc/ThreeDHelper.hxx
+++ b/chart2/source/inc/ThreeDHelper.hxx
@@ -20,10 +20,12 @@
 #ifndef INCLUDED_CHART2_SOURCE_INC_THREEDHELPER_HXX
 #define INCLUDED_CHART2_SOURCE_INC_THREEDHELPER_HXX
 
-#include <com/sun/star/chart2/XDiagram.hpp>
 #include <com/sun/star/drawing/CameraGeometry.hpp>
 #include "charttoolsdllapi.hxx"
 
+namespace com { namespace sun { namespace star { namespace beans { class XPropertySet; } } } }
+namespace com { namespace sun { namespace star { namespace chart2 { class XDiagram; } } } }
+
 namespace chart
 {
 
diff --git a/chart2/source/inc/TitleHelper.hxx b/chart2/source/inc/TitleHelper.hxx
index 17f89136d609..62068c4237a9 100644
--- a/chart2/source/inc/TitleHelper.hxx
+++ b/chart2/source/inc/TitleHelper.hxx
@@ -19,14 +19,15 @@
 #ifndef INCLUDED_CHART2_SOURCE_INC_TITLEHELPER_HXX
 #define INCLUDED_CHART2_SOURCE_INC_TITLEHELPER_HXX
 
-#include "ReferenceSizeProvider.hxx"
+#include <com/sun/star/uno/Reference.h>
+#include <rtl/ustring.hxx>
 #include "charttoolsdllapi.hxx"
-#include <com/sun/star/chart2/XTitled.hpp>
-#include <com/sun/star/frame/XModel.hpp>
-#include <com/sun/star/uno/XComponentContext.hpp>
-#include <com/sun/star/chart2/XDiagram.hpp>
 
-#include <ChartModel.hxx>
+namespace chart { class ChartModel; }
+namespace chart { class ReferenceSizeProvider; }
+namespace com { namespace sun { namespace star { namespace chart2 { class XTitle; } } } }
+namespace com { namespace sun { namespace star { namespace frame { class XModel; } } } }
+namespace com { namespace sun { namespace star { namespace uno { class XComponentContext; } } } }
 
 namespace chart
 {
diff --git a/chart2/source/inc/UncachedDataSequence.hxx b/chart2/source/inc/UncachedDataSequence.hxx
index 08b06103dc46..f9a910a4803c 100644
--- a/chart2/source/inc/UncachedDataSequence.hxx
+++ b/chart2/source/inc/UncachedDataSequence.hxx
@@ -28,8 +28,6 @@
 
 // interfaces and types
 #include <com/sun/star/lang/XServiceInfo.hpp>
-#include <com/sun/star/beans/XPropertySet.hpp>
-#include <com/sun/star/chart2/XInternalDataProvider.hpp>
 #include <com/sun/star/chart2/data/XDataSequence.hpp>
 #include <com/sun/star/chart2/data/XNumericalDataSequence.hpp>
 #include <com/sun/star/chart2/data/XTextualDataSequence.hpp>
@@ -38,6 +36,9 @@
 #include <com/sun/star/util/XCloneable.hpp>
 #include <com/sun/star/util/XModifiable.hpp>
 
+namespace com { namespace sun { namespace star { namespace beans { class XPropertySetInfo; } } } }
+namespace com { namespace sun { namespace star { namespace chart2 { class XInternalDataProvider; } } } }
+
 namespace chart
 {
 
diff --git a/chart2/source/inc/UserDefinedProperties.hxx b/chart2/source/inc/UserDefinedProperties.hxx
index 6551a206b1e0..b2f700813311 100644
--- a/chart2/source/inc/UserDefinedProperties.hxx
+++ b/chart2/source/inc/UserDefinedProperties.hxx
@@ -21,10 +21,11 @@
 
 #include "FastPropertyIdRanges.hxx"
 #include "charttoolsdllapi.hxx"
-#include <com/sun/star/beans/Property.hpp>
 
 #include <vector>
 
+namespace com { namespace sun { namespace star { namespace beans { struct Property; } } } }
+
 namespace chart
 {
 
diff --git a/chart2/source/inc/WrappedProperty.hxx b/chart2/source/inc/WrappedProperty.hxx
index b11ee8af312b..231a0ed3f21f 100644
--- a/chart2/source/inc/WrappedProperty.hxx
+++ b/chart2/source/inc/WrappedProperty.hxx
@@ -19,13 +19,18 @@
 #ifndef INCLUDED_CHART2_SOURCE_INC_WRAPPEDPROPERTY_HXX
 #define INCLUDED_CHART2_SOURCE_INC_WRAPPEDPROPERTY_HXX
 
-#include <com/sun/star/beans/XPropertySet.hpp>
-#include <com/sun/star/beans/XPropertyState.hpp>
+#include <com/sun/star/beans/PropertyState.hpp>
+#include <com/sun/star/uno/Any.hxx>
+#include <rtl/ustring.hxx>
 #include "charttoolsdllapi.hxx"
 
 #include <map>
 #include <memory>
 
+namespace com { namespace sun { namespace star { namespace beans { class XPropertySet; } } } }
+namespace com { namespace sun { namespace star { namespace beans { class XPropertyState; } } } }
+namespace com { namespace sun { namespace star { namespace uno { template <class interface_type> class Reference; } } } }
+
 namespace chart
 {
 
diff --git a/chart2/source/inc/WrappedPropertySet.hxx b/chart2/source/inc/WrappedPropertySet.hxx
index 25ea8f5cbf92..b0ea15f0ef00 100644
--- a/chart2/source/inc/WrappedPropertySet.hxx
+++ b/chart2/source/inc/WrappedPropertySet.hxx
@@ -26,13 +26,14 @@
 #include <com/sun/star/beans/XMultiPropertyStates.hpp>
 #include <com/sun/star/beans/XPropertySet.hpp>
 #include <com/sun/star/beans/XPropertyState.hpp>
-#include <com/sun/star/beans/Property.hpp>
 #include <cppuhelper/implbase.hxx>
-#include <cppuhelper/propshlp.hxx>
 
 #include <memory>
 #include <vector>
 
+namespace cppu { class IPropertyArrayHelper; }
+namespace cppu { class OPropertyArrayHelper; }
+
 namespace chart
 {