| compress/gzip | Package gzip implements reading and writing of gzip format compressed files, as specified in RFC 1952. |
| 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. |
| github.com/awslabs/smithy-go | |
| github.com/awslabs/smithy-go/middleware | |
| github.com/awslabs/smithy-go/transport/http | |
| io | Package io provides basic interfaces to I/O primitives. |