/// <summary>
/// Puts the lease on the given blob in a renewed state.
/// </summary>
/// <param name="blob">The blob with the lease.</param>
/// <param name="leaseTime">The amount of time on the renewed lease.</param>
/// <returns>The lease ID of the current lease.</returns>
internal static string SetRenewedState(CloudBlob blob, TimeSpan? leaseTime)
{
string leaseId = SetLeasedState(blob, leaseTime);
blob.RenewLease(AccessCondition.GenerateLeaseCondition(leaseId));
return leaseId;
}