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>>
    {
        [CompilationMapping(SourceConstructFlags.UnionCase, 0)]
        public static FSharpChoice<T1, T2> NewChoice1Of2(T1 item);
    }
}