Imports github.com/aws/aws-sdk-go-v2/aws github.com/aws/aws-sdk-go-v2/aws/signer/v4 github.com/aws/aws-sdk-go-v2/internal/awsutil github.com/aws/aws-sdk-go-v2/private/protocol/rest github.com/aws/aws-sdk-go-v2/private/protocol/restjson Standard library imports io time