refreshTokenLifetime property
The lifetime of a refresh token.
Once this is expired, no new refresh/access token pair can be created from the previous refresh token.
This is checked whenever a rotation takes place and is not encoded in the refresh token.
Defaults to 14 days. Meaning the refresh tokens needs to be used / rotated at least every 14 days to keep the client with working credentials.
Implementation
final Duration refreshTokenLifetime;