token method

Future<RefreshResponse> token({ required String refresh_token, String grant_type = 'refresh_token', })

https://firebase.google.com/docs/reference/rest/auth#section-refresh-token

Implementation

Future<RefreshResponse> token({
  required String refresh_token,
  String grant_type = 'refresh_token',
}) async =>
    RefreshResponse.fromJson(
      await _postQuery(
        _buildUri(
          'token',
          isTokenRequest: true,
        ),
        {
          'refresh_token': refresh_token,
          'grant_type': grant_type,
        },
      ),
    );