int maxRedirects

The maximum number of redirects to follow when followRedirects is true. If this number is exceeded the BaseResponse future will signal a RedirectException. Defaults to 5.

Source 

int get maxRedirects => _maxRedirects;
void maxRedirects=(int value)

Source 

set maxRedirects(int value) {
  _checkFinalized();
  _maxRedirects = value;
}