docs: public ResourceIterator<Relationship> findAssociation(GraphDatabaseService executionEngine, Object[] columnValues, String role, AssociationKeyMetadata associationKeyMetadata) {
  		String query = getFindAssociationQuery( role, associationKeyMetadata );
  		Map<String, Object> params = params( columnValues );
  		executionEngine.execute( query, params );
  		return executionEngine.execute( query, params( columnValues ) ).columnAs( "r" );
  	}