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/private/protocol github.com/aws/aws-sdk-go-v2/private/protocol/query github.com/aws/aws-sdk-go-v2/internal/awsutil Standard library imports time