in TwitterLoggingServiceExt/TLSExtDefinitions.h [66:81]
typedef NS_ENUM(uint32_t, tls_os_activity_stream_type_t) {
TLS_OS_ACTIVITY_STREAM_TYPE_ACTIVITY_CREATE = 0x0201,
TLS_OS_ACTIVITY_STREAM_TYPE_ACTIVITY_TRANSITION = 0x0202,
TLS_OS_ACTIVITY_STREAM_TYPE_ACTIVITY_USERACTION = 0x0203,
TLS_OS_ACTIVITY_STREAM_TYPE_TRACE_MESSAGE = 0x0300,
TLS_OS_ACTIVITY_STREAM_TYPE_LOG_MESSAGE = 0x0400,
TLS_OS_ACTIVITY_STREAM_TYPE_LEGACY_LOG_MESSAGE = 0x0480,
TLS_OS_ACTIVITY_STREAM_TYPE_SIGNPOST_BEGIN = 0x0601,
TLS_OS_ACTIVITY_STREAM_TYPE_SIGNPOST_END = 0x0602,
TLS_OS_ACTIVITY_STREAM_TYPE_SIGNPOST_EVENT = 0x0603,
TLS_OS_ACTIVITY_STREAM_TYPE_STATEDUMP_EVENT = 0x0A00,
};