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"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-22 UTC."],[[["\u003cp\u003eThe latest release candidate version is 2.37.0-rc, representing the newest available version.\u003c/p\u003e\n"],["\u003cp\u003eThis page provides access to documentation for multiple versions of the \u003ccode\u003eSessionPoolKeepAliveIntervalOption\u003c/code\u003e, ranging from 2.11.0 up to the latest release candidate.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eSessionPoolKeepAliveIntervalOption\u003c/code\u003e is used to set the session refresh interval, preventing backend garbage collection of sessions older than 60 minutes.\u003c/p\u003e\n"],["\u003cp\u003eThe alias for the \u003ccode\u003eSessionPoolKeepAliveIntervalOption\u003c/code\u003e type is \u003ccode\u003estd::chrono::seconds\u003c/code\u003e.\u003c/p\u003e\n"]]],[],null,[]]
