p, role:owner, domain1, _, (read|write)
p, role:developer, domain1, _, read

p, role:owner, domain2, _, (read|write)
p, role:developer, domain2, _, read

g, alice, role:owner, domain1, _, _
g, bob, role:developer, domain2, _, 9999-12-30 00:00:00
g, carol, role:owner, domain2, _, 0000-01-02 00:00:00

g2, data1, domain1
g2, data2, domain2
