docs: protected void checkForAllowedBody() {
          int code = getIntCode();
          // check for explicit codes
          if (204 == code || 304 == code) {
              setBodyAllowed(false);
          }
          // all 1xx codes should not have a body
          else if (100 <= code && 200 > code) {
              setBodyAllowed(false);
          }
          // default everything else...
          else {
              setBodyAllowed(true);
          }
      }