namespace Microsoft.FSharp.Core
{
    [CompilationMapping(SourceConstructFlags.SumType)]
    [CompiledName("FSharpChoice`2")]
    [StructuralComparison]
    [StructuralEquality]
    public abstract class FSharpChoice<T1, T2> : IStructuralComparable, IStructuralEquatable, IComparable, IComparable<FSharpChoice<T1, T2>>, IEquatable<FSharpChoice<T1, T2>>
    {
        public override sealed int CompareTo(FSharpChoice<T1, T2> obj);
    }
}