[[["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 2025-06-12 UTC."],[[["The `Precondition` class in the Firestore v1 API is used to define conditions for document operations, such as requiring a document to exist or not exist."],["This class supports multiple versions, ranging from version 2.3.0 to the latest version 3.10.0, with version 3.9.0 being the current focus of the document."],["`Precondition` implements several interfaces, including `IMessage`, `IEquatable`, `IDeepCloneable`, and `IBufferMessage`, indicating its capabilities for data manipulation and comparison."],["The `Precondition` class offers properties such as `Exists`, `HasExists`, and `UpdateTime`, allowing for specific constraints on the existence and modification time of documents."],["There are 2 different constructors for `Precondition`: one that is empty, and another that takes in another `Precondition` object as a parameter."]]],[]]