The GCS client library uses the same mechanism as all other C++ client libraries for configuration. As usual for the C++ client libraries, it adds a number of unique options only applicable for the GCS library.
[[["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 2025-09-04 UTC."],[],[],null,["# GCS Client Library Configuration Options (2.38.0)\n\nVersion 2.38.0keyboard_arrow_down\n\n- [2.42.0-rc (latest)](/cpp/docs/reference/storage/latest/group__storage-options)\n- [2.41.0](/cpp/docs/reference/storage/2.41.0/group__storage-options)\n- [2.40.0](/cpp/docs/reference/storage/2.40.0/group__storage-options)\n- [2.39.0](/cpp/docs/reference/storage/2.39.0/group__storage-options)\n- [2.38.0](/cpp/docs/reference/storage/2.38.0/group__storage-options)\n- [2.37.0](/cpp/docs/reference/storage/2.37.0/group__storage-options)\n- [2.36.0](/cpp/docs/reference/storage/2.36.0/group__storage-options)\n- [2.35.0](/cpp/docs/reference/storage/2.35.0/group__storage-options)\n- [2.34.0](/cpp/docs/reference/storage/2.34.0/group__storage-options)\n- [2.33.0](/cpp/docs/reference/storage/2.33.0/group__storage-options)\n- [2.32.0](/cpp/docs/reference/storage/2.32.0/group__storage-options)\n- [2.31.0](/cpp/docs/reference/storage/2.31.0/group__storage-options)\n- [2.30.0](/cpp/docs/reference/storage/2.30.0/group__storage-options)\n- [2.29.0](/cpp/docs/reference/storage/2.29.0/group__storage-options)\n- [2.28.0](/cpp/docs/reference/storage/2.28.0/group__storage-options)\n- [2.27.0](/cpp/docs/reference/storage/2.27.0/group__storage-options)\n- [2.26.0](/cpp/docs/reference/storage/2.26.0/group__storage-options)\n- [2.25.1](/cpp/docs/reference/storage/2.25.1/group__storage-options)\n- [2.24.0](/cpp/docs/reference/storage/2.24.0/group__storage-options)\n- [2.23.0](/cpp/docs/reference/storage/2.23.0/group__storage-options)\n- [2.22.1](/cpp/docs/reference/storage/2.22.1/group__storage-options)\n- [2.21.0](/cpp/docs/reference/storage/2.21.0/group__storage-options)\n- [2.20.0](/cpp/docs/reference/storage/2.20.0/group__storage-options)\n- [2.19.0](/cpp/docs/reference/storage/2.19.0/group__storage-options)\n- [2.18.0](/cpp/docs/reference/storage/2.18.0/group__storage-options)\n- [2.17.0](/cpp/docs/reference/storage/2.17.0/group__storage-options)\n- [2.16.0](/cpp/docs/reference/storage/2.16.0/group__storage-options)\n- [2.15.1](/cpp/docs/reference/storage/2.15.1/group__storage-options)\n- [2.14.0](/cpp/docs/reference/storage/2.14.0/group__storage-options)\n- [2.13.0](/cpp/docs/reference/storage/2.13.0/group__storage-options)\n- [2.12.0](/cpp/docs/reference/storage/2.12.0/group__storage-options)\n- [2.11.0](/cpp/docs/reference/storage/2.11.0/group__storage-options) \n\nGCS Client Library Configuration Options\n========================================\n\nThe GCS client library uses the same mechanism as all other C++ client libraries for configuration. As usual for the C++ client libraries, it adds a number of unique options only applicable for the GCS library.\n\n###### See Also\n\n[Client Library Configuration](https://cloud.google.com/cpp/docs/reference/common/latest/group__options.html) - for an overview of client library configuration.\n\n### Classes\n\n- [`google::cloud::storage_experimental::HttpVersionOption`](/cpp/docs/reference/storage/2.38.0/structgoogle_1_1cloud_1_1storage__experimental_1_1HttpVersionOption)\n- [`google::cloud::storage::RestEndpointOption`](/cpp/docs/reference/storage/2.38.0/structgoogle_1_1cloud_1_1storage_1_1RestEndpointOption)\n- [`google::cloud::storage::IamEndpointOption`](/cpp/docs/reference/storage/2.38.0/structgoogle_1_1cloud_1_1storage_1_1IamEndpointOption)\n- [`google::cloud::storage::Oauth2CredentialsOption`](/cpp/docs/reference/storage/2.38.0/structgoogle_1_1cloud_1_1storage_1_1Oauth2CredentialsOption)\n- [`google::cloud::storage::ProjectIdOption`](/cpp/docs/reference/storage/2.38.0/structgoogle_1_1cloud_1_1storage_1_1ProjectIdOption)\n- [`google::cloud::storage::ConnectionPoolSizeOption`](/cpp/docs/reference/storage/2.38.0/structgoogle_1_1cloud_1_1storage_1_1ConnectionPoolSizeOption)\n- [`google::cloud::storage::DownloadBufferSizeOption`](/cpp/docs/reference/storage/2.38.0/structgoogle_1_1cloud_1_1storage_1_1DownloadBufferSizeOption)\n- [`google::cloud::storage::UploadBufferSizeOption`](/cpp/docs/reference/storage/2.38.0/structgoogle_1_1cloud_1_1storage_1_1UploadBufferSizeOption)\n- [`google::cloud::storage::MaximumSimpleUploadSizeOption`](/cpp/docs/reference/storage/2.38.0/structgoogle_1_1cloud_1_1storage_1_1MaximumSimpleUploadSizeOption)\n- [`google::cloud::storage::TransferStallTimeoutOption`](/cpp/docs/reference/storage/2.38.0/structgoogle_1_1cloud_1_1storage_1_1TransferStallTimeoutOption)\n- [`google::cloud::storage::TransferStallMinimumRateOption`](/cpp/docs/reference/storage/2.38.0/structgoogle_1_1cloud_1_1storage_1_1TransferStallMinimumRateOption)\n- [`google::cloud::storage::DownloadStallTimeoutOption`](/cpp/docs/reference/storage/2.38.0/structgoogle_1_1cloud_1_1storage_1_1DownloadStallTimeoutOption)\n- [`google::cloud::storage::DownloadStallMinimumRateOption`](/cpp/docs/reference/storage/2.38.0/structgoogle_1_1cloud_1_1storage_1_1DownloadStallMinimumRateOption)\n- [`google::cloud::storage::RetryPolicyOption`](/cpp/docs/reference/storage/2.38.0/structgoogle_1_1cloud_1_1storage_1_1RetryPolicyOption)\n- [`google::cloud::storage::BackoffPolicyOption`](/cpp/docs/reference/storage/2.38.0/structgoogle_1_1cloud_1_1storage_1_1BackoffPolicyOption)\n- [`google::cloud::storage::IdempotencyPolicyOption`](/cpp/docs/reference/storage/2.38.0/structgoogle_1_1cloud_1_1storage_1_1IdempotencyPolicyOption)"]]