```
@SdkPublicApi
@ThreadSafe
public interface RetryToken
```
An opaque token representing an in-progress execution.
Created via RetryStrategy.acquireInitialToken(software.amazon.awssdk.retries.api.AcquireInitialTokenRequest) before a first attempt and refreshed after each attempt failure via RetryStrategy.refreshRetryToken(software.amazon.awssdk.retries.api.RefreshRetryTokenRequest).
Released via RetryStrategy.recordSuccess(software.amazon.awssdk.retries.api.RecordSuccessRequest) after a successful attempt.

Interface RetryToken