public Task <T> SingleOrDefault() { return(_parent.SingleOrDefault <T>(q => _inner)); }
public Task <TValue> SingleOrDefault() { return(_parent.SingleOrDefault <TValue>(_inner)); }
public Task <T> SingleOrDefault() { return(_parent.SingleOrDefault <T>(q => _inner)); }
public Task <TValue> SingleOrDefault() { return(_parent.SingleOrDefault <TValue>(_inner)); }