Fix: Don't raise an error if expiration_time_millis is nil; fall back to 0#552
Open
sampart wants to merge 1 commit intogoogleapis:mainfrom
Open
Fix: Don't raise an error if `expiration_time_millis` is nil; fall back to 0#552sampart wants to merge 1 commit intogoogleapis:mainfrom
sampart wants to merge 1 commit intogoogleapis:mainfrom
