[
    "../../protos/google/spanner/admin/database/v1/backup.proto",
    "../../protos/google/spanner/admin/database/v1/backup_schedule.proto",
    "../../protos/google/spanner/admin/database/v1/common.proto",
    "../../protos/google/spanner/admin/database/v1/spanner_database_admin.proto"
]