<PackageReference Include="Azure.Core" Version="1.52.0" />

Azure.Core.RehydrationToken

Represents a token that can be used to rehydrate a long-running operation.
public string Id { get; }

Gets an ID representing the operation that can be used to poll for the status of the long-running operation. There are cases that operation id is not available, we return "NOT_SET" for unavailable operation id.