[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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\u003eThis page provides documentation for the \u003ccode\u003ePrecondition\u003c/code\u003e class within the \u003ccode\u003eGoogle.Cloud.Firestore\u003c/code\u003e namespace, detailing its functionality for update operations.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003ePrecondition\u003c/code\u003e class is immutable and allows you to specify if a document must exist or not, or if it must have a specific last update time.\u003c/p\u003e\n"],["\u003cp\u003eThere are static properties, \u003ccode\u003eMustExist\u003c/code\u003e and \u003ccode\u003eNone\u003c/code\u003e, which represent the condition that a document must exist, or have no precondition respectively.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eLastUpdated(Timestamp)\u003c/code\u003e method allows for creating a precondition that verifies if the document has the specified last update time.\u003c/p\u003e\n"],["\u003cp\u003eThe page lists the available versions of the \u003ccode\u003ePrecondition\u003c/code\u003e class, ranging from version 2.3.1 up to the latest version, 3.10.0, providing links to their respective documentation.\u003c/p\u003e\n"]]],[],null,[]]
