query.caseDefinitionId(testString);
query.caseDefinitionName(testString);
query.caseDefinitionNameLike(testString);
query.caseInstanceId(testString);
query.caseInstanceBusinessKey(testString);
query.caseInstanceBusinessKeyLike(testString);
query.caseExecutionId(testString);
// ordering
query.orderByExecutionId().desc();
query.orderByDueDate().asc();