public static IGraphQLMutationBuilder WithMutation(this IGraphQLBuilder builder, Func <string> mutation)
        {
            builder.WithPayload(mutation, PayloadType.Mutation);

            return((IGraphQLMutationBuilder)builder);
        }
        public static IGraphQLQueryBuilder WithQuery(this IGraphQLBuilder builder, Func <string> query)
        {
            builder.WithPayload(query, PayloadType.Query);

            return((IGraphQLQueryBuilder)builder);
        }