| 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/aws/aws-sdk-go-v2/aws/middleware/private/metrics | |
| github.com/aws/smithy-go/middleware | Package middleware provides transport agnostic middleware for decorating SDK handlers. |
| io | Package io provides basic interfaces to I/O primitives. |