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In this approach, using getModelObject() you cast the same as in 1.3, and for getModel() you can do the necessary casting cleanly, which leaves you in a situation better than in 1.3.
(Timo Rantalaiho)

I mostly agree with Timo. The only thing we lose from Component is generification of IConverter. Since IConverter is mostly only important in FormComponent perhaps we can fully type FormComponent which would allow us to have typesave converters AND validators.
(Igor Vaynberg)

Suggestion 1 - setResponsePage() signature

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