namespace Microsoft.FSharp.Core
{
    [AbstractClass]
    [CompilationMapping(SourceConstructFlags.ObjectType)]
    public abstract class FSharpFunc<T, TResult>
    {
        [DebuggerStepThrough]
        public static Y InvokeFast<V, W, X, Y>(FSharpFunc<T, FSharpFunc<TResult, FSharpFunc<V, FSharpFunc<W, FSharpFunc<X, Y>>>>> func, T arg1, TResult arg2, V arg3, W arg4, X arg5);
    }
}