diff --git a/Source/Libs/GtkSourceSharp/GtkSourceSharp.metadata b/Source/Libs/GtkSourceSharp/GtkSourceSharp.metadata
index d42891890..fd30926c8 100644
--- a/Source/Libs/GtkSourceSharp/GtkSourceSharp.metadata
+++ b/Source/Libs/GtkSourceSharp/GtkSourceSharp.metadata
@@ -23,6 +23,7 @@
   <remove-node path="/api/namespace/object[@cname='GtkSourceBuffer']/method[@cname='gtk_source_buffer_can_undo']" />
   <remove-node path="/api/namespace/object[@cname='GtkSourceBuffer']/method[@cname='gtk_source_buffer_can_redo']" />
   <remove-node path="/api/namespace/interface[@cname='GtkSourceStyleSchemeChooser']/property[@cname='style-scheme']" />
+
   <attr path="/api/namespace/object[@cname='GtkSourceBuffer']/method[@cname='gtk_source_buffer_get_source_marks_at_iter']/return-type" name="element_type">Mark</attr>
   <attr path="/api/namespace/object[@cname='GtkSourceBuffer']/method[@cname='gtk_source_buffer_get_source_marks_at_line']/return-type" name="element_type">Mark</attr>
   <attr path="/api/namespace/object[@cname='GtkSourceCompletion']/method[@cname='gtk_source_completion_get_providers']/return-type" name="element_type">CompletionProvider</attr>
@@ -34,6 +35,14 @@
   <attr path="/api/namespace/object[@cname='GtkSourceFileSaver']/method[@cname='gtk_source_file_saver_save_async']/parameters/parameter[@name='callback']" name="scope">async</attr>
   <attr path="/api/namespace/object[@cname='GtkSourceSearchContext']/method[@cname='gtk_source_search_context_backward_async']/parameters/parameter[@name='callback']" name="scope">async</attr>
   <attr path="/api/namespace/object[@cname='GtkSourceSearchContext']/method[@cname='gtk_source_search_context_forward_async']/parameters/parameter[@name='callback']" name="scope">async</attr>
+
+  <attr path="/api/namespace/object[@cname='GtkSourceLanguageManager']/method[@name='GetLanguageIds']/return-type" name="null_term_array">true</attr>
+  <attr path="/api/namespace/object[@cname='GtkSourceLanguageManager']/method[@name='GetLanguageIds']/return-type" name="owned">true</attr>
+  <attr path="/api/namespace/object[@cname='GtkSourceLanguageManager']/method[@name='GetLanguageIds']/return-type" name="elements_owned">true</attr>
+  <attr path="/api/namespace/object[@cname='GtkSourceLanguage']/method[@name='GetGlobs']/return-type" name="null_term_array">true</attr>
+  <attr path="/api/namespace/object[@cname='GtkSourceLanguage']/method[@name='GetGlobs']/return-type" name="owned">true</attr>
+  <attr path="/api/namespace/object[@cname='GtkSourceLanguage']/method[@name='GetGlobs']/return-type" name="elements_owned">true</attr>
+
   <!-- Rename View to SourceView -->
   <attr path="/api/namespace/object[@cname='GtkSourceView']" name="name">SourceView</attr>
   <!-- This is a variadic function. Unsure how we're supposed to handle it in the binding. For now I've removed it. -->