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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-22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\u003eThis page provides documentation for the \u003ccode\u003eSessionPoolKeepAliveIntervalOption\u003c/code\u003e within the Google Cloud Spanner C++ client library, spanning multiple versions.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version documented is 2.37.0-rc, with a range of versions extending back to 2.11.0, allowing you to pick the documentation for the version you need.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eSessionPoolKeepAliveIntervalOption\u003c/code\u003e allows for configuring the time interval at which sessions are refreshed to prevent garbage collection by the backend.\u003c/p\u003e\n"],["\u003cp\u003eThis type of alias is \u003ccode\u003estd::chrono::seconds\u003c/code\u003e, for time duration.\u003c/p\u003e\n"]]],[],null,[]]
