Option for google::cloud::Options to set the interval at which we refresh sessions so they don't get collected by the backend GC.
The GC collects objects older than 60 minutes, so any duration below that (less some slack to allow the calls to be made to refresh the sessions) should suffice.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-03-21 UTC."],[[["The latest version of the documentation is 2.37.0-rc, representing a release candidate, while the oldest version visible is 2.11.0."],["This page documents the `SessionPoolKeepAliveIntervalOption` for Google Cloud Spanner, specifically focusing on how to manage session refresh intervals."],["The `SessionPoolKeepAliveIntervalOption` is designed to prevent sessions from being garbage collected by the backend, which typically occurs after 60 minutes of inactivity."],["The type alias for this option is `std::chrono::seconds`, indicating that the interval is measured in seconds."],["The functionality is an option for `google::cloud::Options` which will set the rate of which sessions are refreshed."]]],[]]