2 Function F1(ByVal i As Integer)
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3 Function F2(ByVal i As Integer)
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9 Overridable Function CF1(ByVal i As Integer) Implements I.F1
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12 Overridable Function CF2(ByVal i As Integer) Implements I.F2
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18 Overrides Function CF2(ByVal i As Integer)
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24 Dim x As D = New D()
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