for (String groupId : checkNotNull(permission.getGroupIds(), "groupIds")) { headers.put(prefix + i++ + ".GroupId", groupId);
for (String groupId : checkNotNull(permission.getGroupIds(), "groupIds")) { headers.put(prefix + i++ + ".GroupId", groupId);
for (String groupId : checkNotNull(permission.getGroupIds(), "groupIds")) { headers.put(prefix + i++ + ".GroupId", groupId);
for (String groupId : checkNotNull(permission.getGroupIds(), "groupIds")) { headers.put(prefix + i++ + ".GroupId", groupId);