[[["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 2025-03-21 UTC."],[[["This webpage provides documentation for the `ExactlyOnceAckHandler::Impl` class within the Google Cloud Pub/Sub C++ library, spanning multiple versions."],["The latest version documented is 2.37.0-rc, while the range of versions covered in this documentation is from 2.11.0 up to the latest."],["The `ExactlyOnceAckHandler::Impl` class allows applications to mock an `ExactlyOnceAckHandler` and provides implementations for `ack()`, `nack()`, and `delivery_attempt()` functions."],["The `ack()` and `nack()` functions both return a future of Status, while the `delivery_attempt()` returns a `std::int32_t`."]]],[]]
