old_contents: #    Licensed under the Apache License, Version 2.0 (the "License"); you may
  #    not use this file except in compliance with the License. You may obtain
  #    a copy of the License at
  #
  #         http://www.apache.org/licenses/LICENSE-2.0
  #
  #    Unless required by applicable law or agreed to in writing, software
  #    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  #    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  #    License for the specific language governing permissions and limitations
  #    under the License.
  
  # String literals representing core resources.
  PORT = 'port'
  PROCESS = 'process'
  ROUTER = 'router'
  ROUTER_GATEWAY = 'router_gateway'
  ROUTER_INTERFACE = 'router_interface'
  SECURITY_GROUP = 'security_group'
  SECURITY_GROUP_RULE = 'security_group_rule'
  SUBNET = 'subnet'
  SUBNET_GATEWAY = 'subnet_gateway'
  
new_contents: #    Licensed under the Apache License, Version 2.0 (the "License"); you may
  #    not use this file except in compliance with the License. You may obtain
  #    a copy of the License at
  #
  #         http://www.apache.org/licenses/LICENSE-2.0
  #
  #    Unless required by applicable law or agreed to in writing, software
  #    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  #    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  #    License for the specific language governing permissions and limitations
  #    under the License.
  
  # String literals representing core resources.
  PORT = 'port'
  PROCESS = 'process'
  ROUTER = 'router'
  ROUTER_GATEWAY = 'router_gateway'
  ROUTER_INTERFACE = 'router_interface'
  SECURITY_GROUP = 'security_group'
  SECURITY_GROUP_RULE = 'security_group_rule'
  SUBNET = 'subnet'
  SUBNET_GATEWAY = 'subnet_gateway'
  SUBNETPOOL_ADDRESS_SCOPE = 'subnetpool_address_scope'
  
subject: add in missing callback resources