QUALITY_TYPE
Network quality types.
Enumerator
- QUALITY_UNKNOWN
 - 0: The network quality is unknown.
 - QUALITY_EXCELLENT
 - 1: The network quality is excellent.
 - QUALITY_GOOD
 - 2: The network quality is quite good, but the bitrate may be slightly lower than excellent.
 - QUALITY_POOR
 - 3: Users can feel the communication is slightly impaired.
 - QUALITY_BAD
 - 4: Users cannot communicate smoothly.
 - QUALITY_VBAD
 - 5: The quality is so bad that users can barely communicate.
 - QUALITY_DOWN
 - 6: The network is down and users cannot communicate at all.
 - QUALITY_DETECTING
 - 8: The last-mile network probe test is in progress.