/// <summary>
/// 拒绝当前申请
/// </summary>
/// <param name="reason">原因</param>
public async ValueTask Reject(string reason = null)
{
await SoraApi.SetGroupAddRequest(RequestFlag, SubType, false, reason);
}
/// <summary>
/// 同意当前申请
/// </summary>
public async ValueTask Accept()
{
await SoraApi.SetGroupAddRequest(RequestFlag, SubType, true);
}