For REST-based services using HTTP/1.1 or HTTP/1.0 this is the Host header.
Setting this option to the empty string has no effect, i.e., no headers are set. This can be useful if you are not using Google's production environment.
[[["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 2025-03-05 UTC."],[[["This webpage lists different versions of the `AuthorityOption` for the Google Cloud C++ client library, spanning from version 2.10.1 to 2.37.0-rc, with version 2.37.0-rc being the latest."],["The `AuthorityOption` is used to configure the \"authority\" attribute, which corresponds to the `authority()` field in `grpc::ClientContext` for gRPC requests, or the `Host` header for REST-based services."],["Setting the `AuthorityOption` to an empty string will result in no headers being set, which can be beneficial when not using Google's production environment."],["The `AuthorityOption` type is an alias of `std::string`."]]],[]]