using System;
using System.Collections;
using System.Collections.Generic;

namespace Test {

 public class FalseWarning : IEnumerable<List<FalseWarning.InnerClass>> { //warning here

    public class InnerClass {
      public String value;

      public InnerClass(String value) {
        this.value = value;
      }
    }

    List<List<FalseWarning.InnerClass>> list = new List<List<InnerClass>>();

    public FalseWarning() {
      InnerClass innerClass = new InnerClass("1");
      this.list.Add(new List<InnerClass>( new InnerClass[]{innerClass} ));
    }

    IEnumerator<List<FalseWarning.InnerClass>> IEnumerable<List<FalseWarning.InnerClass>>.GetEnumerator() { //warning here
      return this.list.GetEnumerator();
    }

    IEnumerator IEnumerable.GetEnumerator() {
      return this.list.GetEnumerator();
    }
  }

  class Program {
    static void Main() {
    }
  }
}