private FunctionTemplate(FunctionTemplate.Internal native)
     : this(__CopyValue(native))
 {
     __ownsNativeInstance = true;
     NativeToManagedMap[__Instance] = this;
 }

 public static FunctionTemplate __CreateInstance(FunctionTemplate.Internal native)
 {
     return new FunctionTemplate(native);
 }

 private static FunctionTemplate.Internal* __CopyValue(FunctionTemplate.Internal native)
 {
     var ret = Marshal.AllocHGlobal(224);
     CppSharp.Parser.AST.FunctionTemplate.Internal.cctor_2(ret, new global::System.IntPtr(&native));
     return (FunctionTemplate.Internal*) ret;
 }

 private FunctionTemplate(FunctionTemplate.Internal native, bool skipVTables = false)
     : this(__CopyValue(native), skipVTables)
 {
     __ownsNativeInstance = true;
     NativeToManagedMap[__Instance] = this;
 }

 private static void* __CopyValue(FunctionTemplate.__Internal native)
 {
     var ret = Marshal.AllocHGlobal(156);
     global::CppSharp.Parser.AST.FunctionTemplate.__Internal.cctor_1(ret, new global::System.IntPtr(&native));
     return ret.ToPointer();
 }

 public static FunctionTemplate __CreateInstance(FunctionTemplate.Internal native, bool skipVTables = false)
 {
     return new FunctionTemplate(native, skipVTables);
 }

 internal FunctionTemplate(FunctionTemplate.Internal native)
     : this(&native)
 {
 }

        public override bool VisitFunctionTemplateDecl(FunctionTemplate template)
        {
            var expansions = template.PreprocessedEntities.OfType<MacroExpansion>();

            var expansion = expansions.FirstOrDefault(e => e.Text.StartsWith(Prefix + "_CONSTRAINT"));
            if (expansion != null)
            {
                var args = GetArguments(expansion.Text);
                for (var i = 0; i < template.Parameters.Count && i < args.Length; ++i)
                {
                    var param = template.Parameters[i];
                    param.Constraint = args[i];
                    template.Parameters[i] = param;
                }
            }

            return base.VisitFunctionTemplateDecl(template);
        }

 private FunctionTemplate(FunctionTemplate.Internal native)
     : this(__CopyValue(native))
 {
     __ownsNativeInstance = true;
 }

 internal FunctionTemplate(FunctionTemplate.Internal native)
     : this(__CopyValue(native))
 {
 }

 public override bool VisitFunctionTemplateDecl(FunctionTemplate template)
 {
     return template.TemplatedFunction.Visit(this);
 }

        public override bool VisitFunctionTemplateDecl(FunctionTemplate template)
        {
            CheckForTemplateConstraints(template);

            return base.VisitFunctionTemplateDecl(template);
        }