[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07 UTC."],[[["\u003cp\u003eThe latest version of the Firestore API class Precondition is 3.10.0, with several prior versions available for reference, down to version 2.3.1.\u003c/p\u003e\n"],["\u003cp\u003eThe Precondition class is an immutable class within the Google Cloud Firestore API, designed to specify conditions for update operations.\u003c/p\u003e\n"],["\u003cp\u003eKey properties within the Precondition class include \u003ccode\u003eExists\u003c/code\u003e, which determines if a document must or must not exist, and \u003ccode\u003eLastUpdateTime\u003c/code\u003e, which sets the required last update time of a document.\u003c/p\u003e\n"],["\u003cp\u003eThe class provides static properties like \u003ccode\u003eMustExist\u003c/code\u003e to enforce document existence and \u003ccode\u003eNone\u003c/code\u003e to indicate no preconditions.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eLastUpdated(Timestamp)\u003c/code\u003e method allows the creation of a precondition that requires a specific last update time for the document.\u003c/p\u003e\n"]]],[],null,[]]
