Applying Updates 1–6 in order for importer:

- Update 1: duplicate_policy "last", fold_case false, tombstone_wins false, trim_ids false.
- Update 2: list_merge "replace", nested_merge true, null_mode "ignore", version_floor 2.
- Update 3: audit_all false, empty_id "error".
- Update 4: nested_merge false, null_mode "delete".
- Update 5: list_merge "unique", order "id", unknown_fields "keep", version_floor 3.
- Update 6: order "input", unknown_fields "drop".

The four remaining keys (deployment_region, billing_account, owner_email, sla_percentile) were never supplied for importer.

{"duplicate_policy":"last","fold_case":false,"trim_ids":false,"tombstone_wins":false,"null_mode":"delete","nested_merge":false,"list_merge":"unique","version_floor":3,"order":"input","unknown_fields":"drop","empty_id":"error","audit_all":false,"deployment_region":null,"billing_account":null,"owner_email":null,"sla_percentile":null}