[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-04-01 UTC."],[[["This document provides reference information for the `Precondition` class within the Google Cloud Firestore API, specifically within version 3.4.0 of the .NET library."],["The `Precondition` class represents the criteria for an update operation, allowing checks for document existence or specific last update times."],["The `Exists` property indicates whether a document must or must not exist, and `LastUpdateTime` property verifies the document's last update time, where if one is utilized the other cannot be."],["Static properties `MustExist` and `None` offer predefined preconditions for requiring document existence or having no precondition, and the `LastUpdated` method creates a new precondition based on a provided timestamp."],["There is a list of previous versions of this documentation included, starting from 3.10.0 (latest) down to 2.3.1, allowing the user to pick different version to read from."]]],[]]