namespace Microsoft.FSharp.Control
{
    [CompilationMapping(SourceConstructFlags.ObjectType)]
    [CompiledName("FSharpAsync")]
    [Sealed]
    public sealed class FSharpAsync
    {
        public static FSharpAsync<T> FromBeginEnd<TArg1, TArg2, T>(TArg1 arg1, TArg2 arg2, FSharpFunc<Tuple<TArg1, TArg2, AsyncCallback, object>, IAsyncResult> beginAction, FSharpFunc<IAsyncResult, T> endAction, [OptionalArgument] FSharpOption<FSharpFunc<Unit, Unit>> cancelAction);
    }
}