class Aws::Plugins::Retries::ClockSkew

it should only be used to estimate TTL for a request
Estimated Skew should not be used to correct clock skew errors
waiting for a request.
which should represent when the client will stop
This provides a more accurate value for the ttl,
the service along with any network latency.
The estimated skew factors in any clock skew from

def estimated_skew(endpoint)
  @mutex.synchronize { @endpoint_estimated_skews[endpoint.to_s] }
end