[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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 \u003ccode\u003ePrecondition\u003c/code\u003e class in the Firestore v1 API is used to define conditions for document operations, such as requiring a document to exist or not exist.\u003c/p\u003e\n"],["\u003cp\u003eThis class supports conditional operations based on the document's existence (\u003ccode\u003eExists\u003c/code\u003e) or its last update time (\u003ccode\u003eUpdateTime\u003c/code\u003e).\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003ePrecondition\u003c/code\u003e class is implemented with several interfaces, including \u003ccode\u003eIMessage\u003c/code\u003e, \u003ccode\u003eIEquatable\u003c/code\u003e, \u003ccode\u003eIDeepCloneable\u003c/code\u003e, and \u003ccode\u003eIBufferMessage\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version of \u003ccode\u003ePrecondition\u003c/code\u003e is 3.10.0, and this documentation is for version 3.8.0, with various previous versions available.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eConditionTypeCase\u003c/code\u003e property specifies whether the precondition is based on existence or a specific update time.\u003c/p\u003e\n"]]],[],null,[]]