Here is a list of all namespaces with brief descriptions:

vmware
vmware::cis
vmware::cis::tagging
vmware::cis::tagging::util
vmware::cis::util
vmware::content
vmware::content::library
vmware::content::library::item
vmware::content::library::item::downloadsession
vmware::content::library::item::updatesession
vmware::content::util
vmware::vapi
vmware::vapi::metadata
vmware::vapi::metadata::authentication
vmware::vapi::metadata::authentication::service
vmware::vapi::metadata::cli
vmware::vapi::metadata::metamodel
vmware::vapi::metadata::metamodel::resource
vmware::vapi::metadata::metamodel::service
vmware::vapi::metadata::privilege
vmware::vapi::metadata::privilege::service
vmware::vapi::std
vmware::vapi::std::errors
vmware::vapi::util
vmware::vapi::vcenter
vmware::vcenter
vmware::vcenter::inventory
vmware::vcenter::inventory::util
vmware::vcenter::ovf
vmware::vcenter::ovf::util