}
// Role
private void createRoles() {
final Privilege canPrivilegeRead = privilegeService.findByName(Privileges.CAN_PRIVILEGE_READ);
final Privilege canPrivilegeWrite = privilegeService.findByName(Privileges.CAN_PRIVILEGE_WRITE);
final Privilege canRoleRead = privilegeService.findByName(Privileges.CAN_ROLE_READ);
final Privilege canRoleWrite = privilegeService.findByName(Privileges.CAN_ROLE_WRITE);
final Privilege canUserRead = privilegeService.findByName(Privileges.CAN_USER_READ);
final Privilege canUserWrite = privilegeService.findByName(Privileges.CAN_USER_WRITE);
Preconditions.checkNotNull(canPrivilegeRead);
Preconditions.checkNotNull(canPrivilegeWrite);
Preconditions.checkNotNull(canRoleRead);
Preconditions.checkNotNull(canRoleWrite);