docs: private static AssociationStorageStrategy getAssociationStorageStrategy(AssociationKeyMetadata keyMetadata, AssociationTypeContext associationTypeContext) {
  		AssociationStorageType associationStorage = associationTypeContext
  				.getOptionsContext()
  				.getUnique( AssociationStorageOption.class );
  
  		AssociationDocumentStorageType associationDocumentStorageType = associationTypeContext
  				.getOptionsContext()
  				.getUnique( AssociationDocumentStorageOption.class );
  
  		return AssociationStorageStrategy.getInstance( keyMetadata, associationStorage, associationDocumentStorageType );
  	}