diff --git a/reference/Mono.Android.xml b/reference/Mono.Android.xml
index 630ad91..c96ccab 100644
--- a/reference/Mono.Android.xml
+++ b/reference/Mono.Android.xml
@@ -751928,7 +751928,7 @@
                   </method>
                 </methods>
               </property>
-              <property name="Id" attrib="0" ptype="System.Int32">
+              <property name="Id" attrib="3526" abstract="true" virtual="true" ptype="System.Int32">
                 <attributes>
                   <attribute name="System.ObsoleteAttribute">
                     <properties>
@@ -751937,7 +751937,7 @@
                   </attribute>
                 </attributes>
                 <methods>
-                  <method name="get_Id()" attrib="2502" virtual="true" returntype="System.Int32">
+                  <method name="get_Id()" attrib="3526" abstract="true" returntype="System.Int32">
                     <attributes>
                       <attribute name="Android.Runtime.RegisterAttribute">
                         <properties>
@@ -753852,7 +753852,7 @@
                   </method>
                 </methods>
               </property>
-              <property name="NavDump" attrib="0" ptype="System.Boolean">
+              <property name="NavDump" attrib="3526" abstract="true" virtual="true" ptype="System.Boolean">
                 <attributes>
                   <attribute name="System.ObsoleteAttribute">
                     <properties>
@@ -753861,7 +753861,7 @@
                   </attribute>
                 </attributes>
                 <methods>
-                  <method name="get_NavDump()" attrib="2502" virtual="true" returntype="System.Boolean">
+                  <method name="get_NavDump()" attrib="3526" abstract="true" virtual="true" returntype="System.Boolean">
                     <attributes>
                       <attribute name="Android.Runtime.RegisterAttribute">
                         <properties>
@@ -753872,7 +753872,7 @@
                     </attributes>
                     <parameters />
                   </method>
-                  <method name="set_NavDump(System.Boolean)" attrib="2502" virtual="true" returntype="System.Void">
+                  <method name="set_NavDump(System.Boolean)" attrib="3526" abstract="true" virtual="true" returntype="System.Void">
                     <attributes>
                       <attribute name="Android.Runtime.RegisterAttribute">
                         <properties>
@@ -753917,7 +753917,7 @@
                   </method>
                 </methods>
               </property>
-              <property name="PluginsEnabled" attrib="0" ptype="System.Boolean">
+              <property name="PluginsEnabled" attrib="3526" abstract="true" virtual="true" ptype="System.Boolean">
                 <attributes>
                   <attribute name="System.ObsoleteAttribute">
                     <properties>
@@ -753926,7 +753926,7 @@
                   </attribute>
                 </attributes>
                 <methods>
-                  <method name="get_PluginsEnabled()" attrib="2502" virtual="true" returntype="System.Boolean">
+                  <method name="get_PluginsEnabled()" attrib="3526" abstract="true" virtual="true" returntype="System.Boolean">
                     <attributes>
                       <attribute name="Android.Runtime.RegisterAttribute">
                         <properties>
@@ -753937,7 +753937,7 @@
                     </attributes>
                     <parameters />
                   </method>
-                  <method name="set_PluginsEnabled(System.Boolean)" attrib="2502" virtual="true" returntype="System.Void">
+                  <method name="set_PluginsEnabled(System.Boolean)" attrib="3526" abstract="true" virtual="true" returntype="System.Void">
                     <attributes>
                       <attribute name="Android.Runtime.RegisterAttribute">
                         <properties>
@@ -753952,7 +753952,7 @@
                   </method>
                 </methods>
               </property>
-              <property name="PluginsPath" attrib="0" ptype="System.String">
+              <property name="PluginsPath" attrib="3526" abstract="true" virtual="true" ptype="System.String">
                 <attributes>
                   <attribute name="System.ObsoleteAttribute">
                     <properties>
@@ -753961,7 +753961,7 @@
                   </attribute>
                 </attributes>
                 <methods>
-                  <method name="get_PluginsPath()" attrib="2502" virtual="true" returntype="System.String">
+                  <method name="get_PluginsPath()" attrib="3526" abstract="true" virtual="true" returntype="System.String">
                     <attributes>
                       <attribute name="Android.Runtime.RegisterAttribute">
                         <properties>
@@ -753972,7 +753972,7 @@
                     </attributes>
                     <parameters />
                   </method>
-                  <method name="set_PluginsPath(System.String)" attrib="2502" virtual="true" returntype="System.Void">
+                  <method name="set_PluginsPath(System.String)" attrib="3526" abstract="true" virtual="true" returntype="System.Void">
                     <attributes>
                       <attribute name="Android.Runtime.RegisterAttribute">
                         <properties>
@@ -754201,7 +754201,7 @@
                   </method>
                 </methods>
               </property>
-              <property name="UseDoubleTree" attrib="0" ptype="System.Boolean">
+              <property name="UseDoubleTree" attrib="3526" abstract="true" virtual="true" ptype="System.Boolean">
                 <attributes>
                   <attribute name="System.ObsoleteAttribute">
                     <properties>
@@ -754210,7 +754210,7 @@
                   </attribute>
                 </attributes>
                 <methods>
-                  <method name="get_UseDoubleTree()" attrib="2502" virtual="true" returntype="System.Boolean">
+                  <method name="get_UseDoubleTree()" attrib="3526" abstract="true" virtual="true" returntype="System.Boolean">
                     <attributes>
                       <attribute name="Android.Runtime.RegisterAttribute">
                         <properties>
@@ -754221,7 +754221,7 @@
                     </attributes>
                     <parameters />
                   </method>
-                  <method name="set_UseDoubleTree(System.Boolean)" attrib="2502" virtual="true" returntype="System.Void">
+                  <method name="set_UseDoubleTree(System.Boolean)" attrib="3526" abstract="true" virtual="true" returntype="System.Void">
                     <attributes>
                       <attribute name="Android.Runtime.RegisterAttribute">
                         <properties>
@@ -754236,7 +754236,7 @@
                   </method>
                 </methods>
               </property>
-              <property name="UseWebViewBackgroundForOverscrollBackground" attrib="0" ptype="System.Boolean">
+              <property name="UseWebViewBackgroundForOverscrollBackground" attrib="3526" abstract="true" virtual="true" ptype="System.Boolean">
                 <attributes>
                   <attribute name="System.ObsoleteAttribute">
                     <properties>
@@ -754245,7 +754245,7 @@
                   </attribute>
                 </attributes>
                 <methods>
-                  <method name="get_UseWebViewBackgroundForOverscrollBackground()" attrib="2502" virtual="true" returntype="System.Boolean">
+                  <method name="get_UseWebViewBackgroundForOverscrollBackground()" attrib="3526" abstract="true" virtual="true" returntype="System.Boolean">
                     <attributes>
                       <attribute name="Android.Runtime.RegisterAttribute">
                         <properties>
@@ -754257,7 +754257,7 @@
                     </attributes>
                     <parameters />
                   </method>
-                  <method name="set_UseWebViewBackgroundForOverscrollBackground(System.Boolean)" attrib="2502" virtual="true" returntype="System.Void">
+                  <method name="set_UseWebViewBackgroundForOverscrollBackground(System.Boolean)" attrib="3526" abstract="true" virtual="true" returntype="System.Void">
                     <attributes>
                       <attribute name="Android.Runtime.RegisterAttribute">
                         <properties>
@@ -754301,7 +754301,7 @@
                   </method>
                 </methods>
               </property>
-              <property name="UserAgent" attrib="0" ptype="System.Int32">
+              <property name="UserAgent" attrib="3526" abstract="true" virtual="true" ptype="System.Int32">
                 <attributes>
                   <attribute name="System.ObsoleteAttribute">
                     <properties>
@@ -754310,7 +754310,7 @@
                   </attribute>
                 </attributes>
                 <methods>
-                  <method name="get_UserAgent()" attrib="2502" virtual="true" returntype="System.Int32">
+                  <method name="get_UserAgent()" attrib="3526" abstract="true" virtual="true" returntype="System.Int32">
                     <attributes>
                       <attribute name="Android.Runtime.RegisterAttribute">
                         <properties>
@@ -754321,7 +754321,7 @@
                     </attributes>
                     <parameters />
                   </method>
-                  <method name="set_UserAgent(System.Int32)" attrib="2502" virtual="true" returntype="System.Void">
+                  <method name="set_UserAgent(System.Int32)" attrib="3526" abstract="true" virtual="true" returntype="System.Void">
                     <attributes>
                       <attribute name="Android.Runtime.RegisterAttribute">
                         <properties>
@@ -754417,7 +754417,7 @@
                 </attributes>
                 <parameters />
               </method>
-              <method name="GetTextSize()" attrib="454" virtual="true" returntype="Android.Webkit.WebSettings+TextSize">
+              <method name="GetTextSize()" attrib="3526" abstract="true" virtual="true" returntype="Android.Webkit.WebSettings+TextSize">
                 <attributes>
                   <attribute name="Android.Runtime.RegisterAttribute">
                     <properties>