Magnolia 5.6 reached end of life on June 25, 2020. This branch is no longer supported, see End-of-life policy.
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Normally, you won't need to do this since you have a Magnolia running for you. However, in case you are demoing your module as a custom Vaadin applicationIf you have your own widgetset, then you have need to include inherit the Vaadin7WidgetSet
:
@Widgetset("com.vaadin.v7.Vaadin7WidgetSet")
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