| cloud.google.com/go/auth | Package auth provides utilities for managing Google Cloud credentials, including functionality for creating, caching, and refreshing OAuth2 tokens. |
| cloud.google.com/go/auth/httptransport | Package httptransport provides functionality for managing HTTP client connections to Google Cloud services. |
| cloud.google.com/go/auth/internal | |
| context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| io | Package io provides basic interfaces to I/O primitives. |
| net/http | Package http provides HTTP client and server implementations. |