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/aws/awserr github.com/aws/aws-sdk-go/internal/protocol/restxml Standard library imports encoding/base64 io io/ioutil regexp strings time encoding/xml crypto/md5