Developers who use the tool complain that the demo application throws
exceptions on compile:

 [ERROR] Line 29: The import com.google.gwt.user.client.Event.Nati
vePreviewEvent cannot be resolved
               [ERROR] Line 48: Event.NativePreviewHandler cannot be
resolved to
 a type
               [ERROR] Line 51: The method
addNativePreviewHandler(BaseListenerW
rapper.NativePreview) is undefined for the type Event
               [ERROR] Line 55: Event.handlers cannot be resolved
               [ERROR] Line 55: NativePreviewEvent cannot be resolved
               [ERROR] Line 62: NativePreviewEvent cannot be resolved to a type
               [ERROR] Line 77: The method
addValueChangeHandler(BaseListenerWra
pper.WrapHistory) is undefined for the type History
               [ERROR] Line 94: Window.ClosingHandler cannot be resolved to
a ty
pe
               [ERROR] Line 98: The method
addWindowClosingHandler(BaseListenerW
rapper.WrapWindowClose) is undefined for the type Window
               [ERROR] Line 99: The method
addCloseHandler(BaseListenerWrapper.W
rapWindowClose) is undefined for the type Window
               [ERROR] Line 104: Window.ClosingEvent cannot be resolved
               [ERROR] Line 116: Window.ClosingEvent cannot be resolved to
a typ
e
               [ERROR] Line 128: The method
addResizeHandler(BaseListenerWrapper
.WrapWindowResize) is undefined for the type Window
               [ERROR] Line 146: Window.ScrollHandler cannot be resolved to
a ty
pe
               [ERROR] Line 149: The method
addWindowScrollHandler(BaseListenerW
rapper.WrapWindowScroll) is undefined for the type Window
               [ERROR] Line 154: Window.ScrollEvent cannot be resolved
               [ERROR] Line 161: Window.ScrollEvent cannot be resolved to a
type

            [ERROR] Errors in
'jar:file:/C:/Documents%20and%20Settings/SergeyBil
etnikov/.m2/repository/com/google/gwt/gwt-user/1.6.0/gwt-user-1.6.0.jar!/com/goo
gle/gwt/user/client/ui/InlineHyperlink.java'
               [ERROR] Line 36: The constructor Hyperlink(null) is undefined
            [ERROR] Errors in
'jar:file:/C:/Documents%20and%20Settings/SergeyBil
etnikov/.m2/repository/com/google/gwt/gwt-user/1.6.0/gwt-user-1.6.0.jar!/com/goo
gle/gwt/dom/client/NativeEvent.java'
               [ERROR] Line 52: The method eventGetAltKey(NativeEvent) is
undefi
ned for the type DOMImpl
               [ERROR] Line 63: The method eventGetButton(NativeEvent) is
undefi
ned for the type DOMImpl
               [ERROR] Line 72: The method eventGetClientX(NativeEvent) is
undef
ined for the type DOMImpl
               [ERROR] Line 81: The method eventGetClientY(NativeEvent) is
undef
ined for the type DOMImpl
               [ERROR] Line 90: The method eventGetCtrlKey(NativeEvent) is
undef
ined for the type DOMImpl
               [ERROR] Line 106: The method eventGetKeyCode(NativeEvent) is
unde
fined for the type DOMImpl
               [ERROR] Line 115: The method eventGetMetaKey(NativeEvent) is
unde
fined for the type DOMImpl
               [ERROR] Line 133: The method
eventGetMouseWheelVelocityY(NativeEv
ent) is undefined for the type DOMImpl
               [ERROR] Line 142: The method
eventGetRelatedTarget(NativeEvent) i
s undefined for the type DOMImpl
               [ERROR] Line 151: The method eventGetScreenX(NativeEvent) is
unde
fined for the type DOMImpl
               [ERROR] Line 160: The method eventGetScreenY(NativeEvent) is
unde
fined for the type DOMImpl
               [ERROR] Line 169: The method eventGetShiftKey(NativeEvent)
is und
efined for the type DOMImpl
               [ERROR] Line 181: The method eventToString(NativeEvent) is
undefi
ned for the type DOMImpl
               [ERROR] Line 190: The method eventGetTarget(NativeEvent) is
undef
ined for the type DOMImpl
               [ERROR] Line 199: The method eventGetType(NativeEvent) is
undefin
ed for the type DOMImpl
               [ERROR] Line 206: The method eventPreventDefault(NativeEvent) is
undefined for the type DOMImpl
               [ERROR] Line 213: The method
eventStopPropagation(NativeEvent) is
 undefined for the type DOMImpl