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 2025-03-14 UTC."],[[["This webpage provides documentation for the `SessionPoolKeepAliveIntervalOption` within the Google Cloud Spanner C++ library, spanning multiple versions from 2.11.0 to the latest release candidate 2.37.0-rc."],["The `SessionPoolKeepAliveIntervalOption` is used to configure how frequently sessions are refreshed to prevent them from being garbage collected by the backend, which happens after 60 minutes of inactivity."],["The alias for this option is `std::chrono::seconds`, indicating the interval is measured in seconds."],["The structure for each version has a consistent format with a link that will take you to the given version's documentation."]]],[]]
