[[["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."],[[["The latest version of the `Precondition` class documentation is 3.10.0, but the current page is for version 3.8.0, and there are many other versions available between 2.3.1 and 3.9.0."],["The `Precondition` class is immutable and used to define requirements for update operations within the Firestore API."],["This class has two properties, `Exists` (checks if the document exists or not) and `LastUpdateTime` (checks the document's last update time)."],["There are two static properties called `MustExist`, which requires the document to exist, and `None`, which has no precondition."],["The static method `LastUpdated(Timestamp timestamp)` creates a precondition that requires the document to have a specific last update time."]]],[]]