"$content-disposition":     true,
	"$content-encoding":        true,
	"$expires":                 true,
	"$key":                     true,
	"$success_action_redirect": true,
	"$redirect":                true,
	"$success_action_status":   true,
	"$x-amz-algorithm":         false,
	"$x-amz-credential":        false,
	"$x-amz-date":              false,
	"$tagging":                 false,
}

// Add policy conditionals.
const (

	// Collection of errors deleting certain objects.
	Errors []DeleteError `xml:"Error,omitempty"`
}

// PostResponse container for POST object request when success_action_status is set to 201
type PostResponse struct {
	Bucket   string
	Key      string
	ETag     string
	Location string
}

// returns "https" if the tls boolean is true, "http" otherwise.