[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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."],[[["Version 3.23.0 of the Google.Protobuf library documentation details the `Extension` abstract class, which represents a non-generic extension definition and is currently marked as experimental."],["The `Extension` class inherits from the `object` class, acquiring several methods such as `Equals`, `GetHashCode`, `GetType`, and `ToString`."],["Derived types from `Extension` include `Extension\u003cTTarget, TValue\u003e` and `RepeatedExtension\u003cTTarget, TValue\u003e`."],["The `Extension` class provides a constructor, `Extension(int fieldNumber)`, for internal use to create new extensions with a specified field number."],["The class contains one property named `FieldNumber`, which allows for retrieving the integer field number of the extension."]]],[]]
