Imports github.com/aws/aws-sdk-go/aws/awsutil github.com/aws/aws-sdk-go/internal/signer/v4 github.com/aws/aws-sdk-go/aws/service github.com/aws/aws-sdk-go/aws/defaults github.com/aws/aws-sdk-go/internal/protocol/restjson Standard library imports encoding/hex io reflect crypto/sha256