[[["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 2025-03-14 UTC."],[[["This page details the `ExactlyOnceAckHandler::Impl` class, which is part of the Google Cloud Pub/Sub C++ client library, with the most recent version being 2.37.0-rc."],["The class allows applications to mock an `ExactlyOnceAckHandler`, enabling testing and development of message acknowledgement and negative acknowledgement."],["The page includes a version history, spanning from version 2.11.0 to 2.37.0-rc, each linked to their respective documentation."],["`ExactlyOnceAckHandler::Impl` includes virtual functions like `ack()`, `nack()`, `delivery_attempt()`, `ack_id()`, and `subscription()`, with descriptions of their types and functionalities."],["The functions `ack_id()` and `subscription()` are for internal use only, and lack corresponding public interfaces in `ExactlyOnceAckHandler`."]]],[]]