[[["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 2025-04-17 UTC."],[[["This page provides reference documentation for the `Precondition` class within the Google Cloud Firestore API for .NET."],["The `Precondition` class represents an immutable condition for update operations, allowing checks for document existence or specific last update times."],["The `Precondition` class offers properties like `Exists` and `LastUpdateTime` to check if a document must exist or was last updated at a particular timestamp."],["Static properties `MustExist` and `None` are available to represent a requirement for document existence or the absence of any precondition."],["A static method `LastUpdated(Timestamp)` creates a precondition that verifies the document's last update time matches the provided timestamp."]]],[]]
