Get desktop application:
View/edit binary Protocol Buffers messages
区域标识 gRPC头部:x-bili-locale-bin
App设置的locale
系统默认的locale
sim卡的国家码+运营商码
时区
Defined by https://developer.apple.com/library/archive/documentation/MacOSX/Conceptual/BPInternational/LanguageandLocaleIDs/LanguageandLocaleIDs.html
Used in:
A language designator is a code that represents a language.
Writing systems.
A region designator is a code that represents a country or an area.