com.atlassian.jira.issue.index
Interfaces 
CommentDocumentBuilder
DocumentConstants
IndexPath
IssueDocumentBuilder
IssueIndexer
IssueIndexManager
LuceneConnectionFactory
LuceneConnectionManager
Classes 
BulkOnlyIndexManager
CommentDocument
CommentDocumentBuilderImpl
ConnectionConfiguration
DefaultIndexManager
DefaultLuceneConnectionManager
IndexPath.Directory
IssueDocument
IssueDocumentBuilderImpl
IssueIndexer.Analyzers
JiraAnalyzer
LuceneConnectionFactoryImpl
MemoryIndexManager
MultiThreadedIssueIndexer
PropertiesIndexPath
SingleThreadedIssueIndexer
Exceptions 
IndexException