docs: @Override
      public T extract(Response response) throws IOException {
          final String body = response.getBody();
          Preconditions.checkEmptyString(body,
                  "Response body is incorrect. Can't extract a token from an empty string");
          final String token = extract(body, OAUTH_TOKEN_REGEXP_PATTERN);
          final String secret = extract(body, OAUTH_TOKEN_SECRET_REGEXP_PATTERN);
          return createToken(token, secret, body);
      }