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public class TestCollection : System.Collections.CollectionBase
    {

        public TestCollection()
        {
        }

        public Test this[int idx]
        {
            get
            {
                return ((Test)(base.InnerList[idx]));
            }
            set
            {
                if ((value == null))
                {
                    throw new System.ArgumentNullException("value");
                }
                base.InnerList[idx] = value;
            }
        }