bugroup -lGROUP_NAME: testersUSERS: user1 user2SHARES: [user1, 4] [others, 10]GROUP_NAME: engineersUSERS: user3 user4 user10 user9SHARES: [others, 10] [user9, 4]GROUP_NAME: systemUSERS: all usersSHARES: [user9, 10] [others, 15]GROUP_NAME: developUSERS: user4 user10 user11 engineers/SHARES: [engineers, 40] [user4, 15] [user10, 34] [user11, 16]