com.atlassian.jira.issue.util
Interfaces 
AggregateTimeTrackingCalculator
AggregateTimeTrackingCalculatorFactory
IssueChangeHolder
IssueImplAggregateTimeTrackingCalculator.PermissionChecker
IssueIterator
IssuesIterable
IssueUpdater
Classes 
AbstractTransformIssueIterator
AggregateTimeTrackingBean
AggregateTimeTrackingCalculatorFactoryImpl
DatabaseIssuesIterable
DefaultIssueChangeHolder
DefaultIssueUpdater
DocumentIssueAggregateTimeTrackingCalculator
IssueGVsIssueIterable
IssueIdsIssueIterable
IssueImplAggregateTimeTrackingCalculator
IssueObjectIssuesIterable
IssueOperationsBarUtil
IssueUpdateBean