| 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 | |
| hash | Package hash provides interfaces for hash functions. |
| hash/crc32 | Package crc32 implements the 32-bit cyclic redundancy check, or CRC-32, checksum. |
| io | Package io provides basic interfaces to I/O primitives. |
| net/http | Package http provides HTTP client and server implementations. |
| strconv | Package strconv implements conversions to and from string representations of basic data types. |