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interface ISampleInterface
{
    void SampleMethod();
}
class ImplementationClass : ISampleInterface
{
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    void ISampleInterface.SampleMethod()
{
// Method implementation.
    }
    static void Main()
    {
        // Declare an interface instance.
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    }
}
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{
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   }
}
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{
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   public Point(int x, int y)
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