ConstReadonlyMIGRATION_TYPE_ONE_TIME_COPY: "MIGRATION_TYPE_ONE_TIME_COPY"Intended for a single copy of the source data, without ongoing replication.
ReadonlyMIGRATION_TYPE_ONLINE: "MIGRATION_TYPE_ONLINE"Intended for an initial copy followed by ongoing replication of source changes.
ReadonlyMIGRATION_TYPE_UNSPECIFIED: "MIGRATION_TYPE_UNSPECIFIED"The migration type is unknown or unset.
The intended data transfer mode of a migration.