Imports github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common/errors github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common/http github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common/profile Standard library imports bytes encoding/base64 encoding/hex encoding/json fmt crypto/hmac crypto/sha256 crypto/sha1 net/http/httputil sort strconv strings time log net/http