https://microsoft.github.io/cpprestsdk/structpplx_1_1details_1_1___init_functor_type_traits_3_01_t_00_01_t_01_4.html
C++ Rest SDK: pplx::details::_InitFunctorTypeTraits T, T Struct Template Reference
crestsdkdetailstemplate
https://microsoft.github.io/cpprestsdk/classpplx_1_1cancellation__token__registration.html
C++ Rest SDK: pplx::cancellation_token_registration Class Reference
crestsdktokenregistration
https://microsoft.github.io/cpprestsdk/structpplx_1_1details_1_1___type_selector_async_task.html
C++ Rest SDK: pplx::details::_TypeSelectorAsyncTask Struct Reference
crestsdkdetails