Here is a list of all namespaces with brief descriptions:

[detail level 123456]

▼Nso_5	Ranges for error codes of each submodules
▼Nextra
▼Nasync_op
Ndetails
Nerrors
▼Ntime_limited
Ndetails
▼Ntime_unlimited
Ndetails
▼Ndisp
▼Nasio_one_thread
Nerrors
▼Nimpl
Nwork_thread_details
▼Nasio_thread_pool
Nerrors
Nimpl
▼Nenv_infrastructures
▼Nasio
▼Ncommon
Nhelpers
▼Nsimple_mtsafe
Nimpl
▼Nsimple_not_mtsafe
Nimpl
▼Nenveloped_msg
Ndetails
Nerrors
Nerrors
▼Nmboxes
Nbroadcast
▼Ncollecting_mbox
Ndetails
Nerrors
▼Ncomposite
Nerrors
▼Nimpl
Nunknown_msg_type_handlers
▼Nfirst_last_subscriber_notification
Ndetails
Nerrors
▼Ninflight_limit
Nerrors
Nimpl
▼Nproxy
Nerrors
▼Nretained_msg
Ndetails
Nerrors
▼Nround_robin
Ndetails
Nerrors
▼Nunique_subscribers
Nerrors
▼Nmchains
▼Nfixed_size
Ndetails
▼Nmsg_hierarchy
Nerrors
Nimpl
▼Nrevocable_msg
Ndetails
Nerrors
Nimpl
▼Nrevocable_timer
Ndetails
Nimpl
▼Nshutdowner
▼Ndetails
Nstatus
Nerrors
▼Nsync
Ndetails
Nerrors
▼Nimpl
▼Nmsg_tracing_helpers
▼Ndetails
Nextra_inflight_limit_specifics