</BUG>
private List<SPiDRequest> waitingRequests;
private SPiDClient() {
config = null;
token = null;
<BUG>authorizationRequest = null;
</BUG>
waitingRequests = new ArrayList<SPiDRequest>();
}
public static SPiDClient getInstance() {

import java.util.List;
public class SPiDClient {
private static final SPiDClient instance = new SPiDClient();
private SPiDConfiguration config;
private SPiDAccessToken token;
private SPiDAuthorizationListener authorizationListener;
private List<SPiDRequest> waitingRequests;
private SPiDClient() {
config = null;
token = null;
authorizationListener = null;
waitingRequests = new ArrayList<SPiDRequest>();
}
public static SPiDClient getInstance() {
