anchor.diff:  ```yaml
   # ...snip...
   
  -host: 172.16.68.3
  -user: root
  -password: vmware
  +  host: 172.16.68.3
  +  user: root
  +  password: vmware
   
  -datacenters:
  -- name: BOSH_DC
  -  vm_folder: prod-vms
  -  template_folder: prod-templates
  -  disk_path: prod-disks
  -  datastore_pattern: '\Aprod-ds\z'
  -  persistent_datastore_pattern: '\Aprod-ds\z'
  -  allow_mixed_datastores: true
  -  clusters: [BOSH_CL]
  +  datacenters:
  +  - name: BOSH_DC
  +    vm_folder: prod-vms
  +    template_folder: prod-templates
  +    disk_path: prod-disks
  +
  +    datastore_pattern: '\Aprod-ds\z'
  +    persistent_datastore_pattern: '\Aprod-ds\z'
  +    allow_mixed_datastores: true
  +
  +    clusters: [BOSH_CL]
   ```
   
   Or example that places VMs by default into `BOSH_RP` vSphere resource pool:
  
positive.code:     * **disk_path** [String, required]: Path to a *disk* folder for storing persistent disks. Folder will be automatically created in the datastore if not found.
  
      * **datastore_pattern** [String, required]: Pattern for selecting datastores for storing ephemeral disks and replicated stemcells.
      * **persistent_datastore_pattern** [String, required]: Pattern for selecting datastores for storing persistent disks.
      * **allow_mixed_datastores** [Boolean, optional]: Flag to indicate if `datastore_pattern` and `persistent_datastore_pattern` can reference same datastores.
  
      * **clusters** [Array, required]: Array of clusters to use for VM placement.
          * **\<cluster name\>** [String, required]: Cluster name.
  
negative.code: ```yaml
  # ...snip...
  
    host: 172.16.68.3
    user: root
    password: vmware
  
    datacenters:
    - name: BOSH_DC
      vm_folder: prod-vms
      template_folder: prod-templates
      disk_path: prod-disks
  
      datastore_pattern: '\Aprod-ds\z'
      persistent_datastore_pattern: '\Aprod-ds\z'
      allow_mixed_datastores: true
  
      clusters:
      - BOSH_CL: {resource_pool: BOSH_RP}
  ```
  