AXWebArea AXRoleDescription='HTML content'
++AXTabGroup AXRoleDescription='tab group'
++++AXRadioButton AXSubrole=AXTabButton AXRoleDescription='tab' AXTitle='Tab 1 of 2, level 1' AXValue=0
++++AXRadioButton AXSubrole=AXTabButton AXRoleDescription='tab' AXTitle='Tab 2 of 2, level 1' AXValue=0
++AXTabGroup AXRoleDescription='tab group'
++++AXRadioButton AXSubrole=AXTabButton AXRoleDescription='tab' AXTitle='Tab 1 of 3, level 2' AXValue=0
++++AXRadioButton AXSubrole=AXTabButton AXRoleDescription='tab' AXTitle='Tab 2 of 3, level 2' AXValue=0
++++AXTabGroup AXRoleDescription='tab group'
++++++AXRadioButton AXSubrole=AXTabButton AXRoleDescription='tab' AXTitle='Tab 1 of 1, level 3' AXValue=0
++++AXRadioButton AXSubrole=AXTabButton AXRoleDescription='tab' AXTitle='Tab 3 of 3, level 2' AXValue=0
++AXTabGroup AXRoleDescription='tab group'
++++AXRadioButton AXSubrole=AXTabButton AXRoleDescription='tab' AXTitle='Tab 1 of 1, level 2' AXValue=0
++AXTabGroup AXRoleDescription='tab group'
++++AXRadioButton AXSubrole=AXTabButton AXRoleDescription='tab' AXTitle='Tab 1 of 1, level 1' AXValue=0