anchor.diff:              .readPreference( ReadPreferenceType.NEAREST )
               .entity( Zoo.class )
                   .associationStorage( AssociationStorageType.ASSOCIATION_DOCUMENT )
  -                .associationDocumentStorage( AssociationDocumentType.COLLECTION_PER_ASSOCIATION )
  +                .associationDocumentStorage( AssociationDocumentStorageType.COLLECTION_PER_ASSOCIATION )
                   .property( "animals", ElementType.FIELD )
                       .associationStorage( AssociationStorageType.IN_ENTITY )
               .entity( Animal.class )
  
positive.code: @WriteConcern(WriteConcernType.JOURNALED)
  @ReadPreference(ReadPreferenceType.PRIMARY_PREFERRED)
  @AssociationStorage(AssociationStorageType.ASSOCIATION_DOCUMENT)
  @AssociationDocumentStorage(AssociationDocumentType.COLLECTION_PER_ASSOCIATION)
  public class Zoo {
  
      @OneToMany
  
negative.code: hibernate.ogm.mongodb.association_document_storage::
  Defines how to store assocation documents (applies only if the +ASSOCIATION_DOCUMENT+
  association storage strategy is used).
  Possible strategies are (values of the +org.hibernate.ogm.datastore.mongodb.options.AssociationDocumentStorageType+ enum):
  
  * +GLOBAL_COLLECTION+ (default): stores the association information in a unique MongoDB collection for all associations
  * +COLLECTION_PER_ASSOCIATION+ stores the association in a dedicated MongoDB collection per association
  