func isVeeamClient(ctx context.Context) bool {
	ri := logger.GetReqInfo(ctx)
	return ri != nil && strings.Contains(ri.UserAgent, veeamAgentSubstr)
}

func veeamSOSAPIHeadObject(ctx context.Context, bucket, object string, opts ObjectOptions) (ObjectInfo, error) {
	gr, err := veeamSOSAPIGetObject(ctx, bucket, object, nil, opts)
	if gr != nil {
		gr.Close()
		return gr.ObjInfo, nil
	}

	if err = checkGetObjArgs(ctx, bucket, object); err != nil {
		return objInfo, err
	}

	// This is a special call attempted first to check for SOS-API calls.
	objInfo, err = veeamSOSAPIHeadObject(ctx, bucket, object, opts)
	if err == nil {
		return objInfo, nil
	}

	// reset any error to 'nil', and object info to be empty.
	err = nil
	objInfo = ObjectInfo{}