Atlassian JIRA
| HistoryMetadataManager | Allows storing and retrieving metadata related to issue history entries. |
| HistoryMetadataMarshaller | Allows converting the HistoryMetadata object to and from the representation that's stored in the database |
| DefaultHistoryMetadataManager | |
| HistoryMetadata | Represents the complete set of metadata for a history changegroup. |
| HistoryMetadata.HistoryMetadataBuilder | |
| HistoryMetadataManager.HistoryMetadataResult | Holds the information about retrieving history metadata, or errors encountered |
| HistoryMetadataParticipant | Represents a identifiable participant in the metadata history. |
| HistoryMetadataParticipant.HistoryMetadataParticipantBuilder | |
| JsonHistoryMetadataMarshaller |