age-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=AccessLogPolicyConfig-log_window_duration><td><code>log_window_duration</code></td><td><code><a href=https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#duration>Duration</a></code></td><td><p>Optional. Allows specifying logging window for successful requests.
The default duration is <code>12h</code>.</p></td><td>No</td></tr><tr id=AccessLogPolicyConfig-max_client_cache_