WorkerMetrics.actions_executed
WorkerMetrics.code
WorkerMetrics.is_measurable
TODO(b/300067854): Deprecate since all worker metrics should have their WorkerStats set.
WorkerMetrics.is_multiplex
Multiplex or singleplex worker.
WorkerMetrics.is_sandbox
Using worker sandbox file system or not.
WorkerMetrics.mnemonic
Mnemonic of running worker.
WorkerMetrics.prior_actions_executed
WorkerMetrics.process_id
Worker process id. If there is no process for worker, equals to zero.
WorkerMetrics.worker_ids
Ids of workers. Could be multiple in case of multiplex workers
WorkerMetrics.worker_key_hash
Hash value of worker key. Needed to distinguish worker pools with same menmonic but with different worker keys.
WorkerMetrics.worker_stats
Combined workers statistics.

