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."],[[["This page provides documentation for the `SessionPoolKeepAliveIntervalOption` within the Google Cloud Spanner C++ client library, detailing its functionality across multiple versions."],["The latest version available is 2.37.0-rc, with a comprehensive list of versions ranging down to 2.11.0."],["`SessionPoolKeepAliveIntervalOption` allows configuration of the interval for refreshing sessions to prevent them from being garbage collected by the backend, with a recommended duration of less than 60 minutes."],["This option is designed to be used with `google::cloud::Options` to control session refresh behavior."],["The type of the interval is an alias of `std::chrono::seconds`."]]],[]]
