public static MethodDeclaration add_Method(this TypeDeclaration typeDeclaration, string methodName, Dictionary<string, object> invocationParameters, BlockStatement body)
        {
            var newMethod = new MethodDeclaration
            {
                Name = methodName,
                //Modifier = Modifiers.None | Modifiers.Public | Modifiers.Static,
                Modifier = Modifiers.None | Modifiers.Public,
                Body = body
            };
            newMethod.setReturnType();
            if (invocationParameters != null)

                foreach (var invocationParameter in invocationParameters)
                {
                    var parameterType = new TypeReference(
                        (invocationParameter.Value != null && invocationParameter.Key != "returnData")
                        ? invocationParameter.Value.typeFullName()
                        : "System.Object", true);
                    var parameter = new ParameterDeclarationExpression(parameterType, invocationParameter.Key);
                    newMethod.Parameters.Add(parameter);

                }
            typeDeclaration.AddChild(newMethod);
            return newMethod;
        }