anchor.diff:  <%
   stemcell_resources = [
     [{name: 'stemcell', resource: 'precompiled-stemcell-v1'}, {name: 'heavy-stemcell', resource: 'heavy-ubuntu-stemcell-v1'}],
  -  [{name: 'stemcell', resource: 'heavy-ubuntu-stemcell-v2'},{name: 'heavy-stemcell', resource: 'heavy-ubuntu-stemcell-v2'}]
  +  [{name: 'stemcell', resource: 'heavier-ubuntu-stemcell-v2'},{name: 'heavy-stemcell', resource: 'heavier-ubuntu-stemcell-v2'}]
   ]
   director_resources = [
     {name: 'bosh-release', resource: 'precompiled-bosh-release', ops_file: ''},
  
positive.code: #      bucket: bosh-toronto-bag
  #      regexp: light-bosh-stemcell-(3363.12)-aws-xen-hvm-ubuntu-trusty-go_agent.tgz
  #      region_name: us-east-1
    - name: heavy-ubuntu-stemcell-v2
      type: s3
      source:
        access_key_id: {{aws_access_key}}
        bucket: bosh-toronto-bag
        regexp: bosh-registry-removal/stemcells/aws/bosh-stemcell-(.*)-aws-xen-hvm-ubuntu-trusty-go_agent.tgz
        secret_access_key: {{aws_secret_key}}
    - name: bats
      type: git
  
negative.code:   - name: bosh-dev-tarballs
      type: s3
      source:
        bucket: bosh-toronto-director-v2
        access_key_id: {{aws_access_key}}
        secret_access_key: {{aws_secret_key}}
        versioned_file: "bosh-dev-release.tgz"
        region_name: us-west-1
    - name: environment
      type: terraform_type
      source:
  