[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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 reference documentation for the \u003ccode\u003ePrecondition\u003c/code\u003e class within the Google Cloud Firestore API for .NET.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003ePrecondition\u003c/code\u003e class represents an immutable condition for update operations, allowing checks for document existence or specific last update times.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003ePrecondition\u003c/code\u003e class offers properties like \u003ccode\u003eExists\u003c/code\u003e and \u003ccode\u003eLastUpdateTime\u003c/code\u003e to check if a document must exist or was last updated at a particular timestamp.\u003c/p\u003e\n"],["\u003cp\u003eStatic properties \u003ccode\u003eMustExist\u003c/code\u003e and \u003ccode\u003eNone\u003c/code\u003e are available to represent a requirement for document existence or the absence of any precondition.\u003c/p\u003e\n"],["\u003cp\u003eA static method \u003ccode\u003eLastUpdated(Timestamp)\u003c/code\u003e creates a precondition that verifies the document's last update time matches the provided timestamp.\u003c/p\u003e\n"]]],[],null,[]]
