examples/priority_policy_explicit_customized.csv

p, 10, data1, read, deny, data1_deny_group
p, 10, data1, write, deny, data1_deny_group
p, 10, data2, read, allow, data2_allow_group
p, 10, data2, write, allow, data2_allow_group


p, 1, data1, write, allow, alice
p, 1, data1, read, allow, alice
p, 1, data2, read, deny, bob

g, bob, data2_allow_group
g, alice, data1_deny_group