| Interface | Description | 
|---|---|
| ArchiveSource | Provides access to an archive within an archive. | 
| EntityExportMapping<K> | Provides the ability to map local IDs to instance agnostic logical IDs during an export. | 
| EntityImportMapping<K> | Provides the ability to map generated export IDs to locally created IDs during an import and vice versa. | 
| EntrySource | Provides access to a single file within an archive. | 
| ExportContext | Represents the context for the current export job. | 
| Exporter | Data Center Migration Exporter SPI | 
| ExportSection | Allows addition of entries to the export archive, either from disk or directly from a  stream. | 
| ImportContext | Allows the consumption of entries contained in an import archive. | 
| Importer | Data Center Migration Importer SPI | 
| MigrationEntityType<K> | Represents an entity type that can be exported by the  exporterSPI. | 
| SequentialArchive | 
| Class | Description | 
|---|---|
| MigrationHandlerModuleDescriptor | |
| StandardMigrationEntityType<K> | 
| Exception | Description | 
|---|---|
| CanceledMigrationException | Thrown during migration operations to signal the caller that the operation has been canceled and that the caller
 should clean up the state they own and stop any work. | 
| InsufficientDiskSpaceException | Thrown when performing a migration of a repository and there is not enough disk space. | 
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