Program: 93931
Project: 93931
Buggy source:
/** 
 * Same as   {@link #connect(BleTransaction.Auth,BleTransaction.Init)} but calls {@link #setListener_State(StateListener)} and{@link #setListener_ConnectionFail(ConnectionFailListener)} for you.
 * @return	If the attempt could not even "leave the gate" for some resaon, a valid {@link ConnectionFailEvent} is returned telling you why. Otherwisethis method will still return a non-null instance but  {@link ConnectionFailEvent#isNull()} will be <code>true</code>.<br><br> NOTE: your  {@link ConnectionFailListener} will still be called even if this method early-outs.<br><br> TIP:	You can use the return value as an optimization. Many apps will call this method (or its overloads) and throw up a spinner until receiving a callback to  {@link ConnectionFailListener}. However if   {@link ConnectionFailEvent#isNull()} for the return value is <code>false</code>, meaningthe connection attempt couldn't even start for some reason, then you don't have to throw up the spinner in the first place.
 */
public @Nullable(Prevalence.NEVER) ConnectionFailListener.ConnectionFailEvent connect(BleTransaction.Auth authenticationTxn,BleTransaction.Init initTxn,DeviceStateListener stateListener,ConnectionFailListener failListener){
  if (stateListener != null) {
    setListener_State(stateListener);
  }
  if (failListener != null) {
    setListener_ConnectionFail(failListener);
  }
  m_connectionFailMngr.onExplicitConnectionStarted();
  final ConnectionFailListener.ConnectionFailEvent info_earlyOut=connect_earlyOut();
  if (info_earlyOut != null)   return info_earlyOut;
  m_lastConnectOrDisconnectWasUserExplicit=true;
  if (isAny(CONNECTED,CONNECTING,CONNECTING_OVERALL)) {
    stateTracker_main().remove(RECONNECTING_LONG_TERM,E_Intent.INTENTIONAL,BleStatuses.GATT_STATUS_NOT_APPLICABLE);
    final ConnectionFailListener.ConnectionFailEvent info_alreadyConnected=ConnectionFailListener.ConnectionFailEvent.EARLY_OUT(this,Status.ALREADY_CONNECTING_OR_CONNECTED);
    m_connectionFailMngr.invokeCallback(info_alreadyConnected);
    return info_alreadyConnected;
  }
  connect_private(authenticationTxn,initTxn,false);
  return NULL_CONNECTIONFAIL_INFO();
}

Fixed version (ground truth):
/** 
 * Same as   {@link #connect(BleTransaction.Auth,BleTransaction.Init)} but calls {@link #setListener_State(StateListener)} and{@link #setListener_ConnectionFail(ConnectionFailListener)} for you.
 * @return If the attempt could not even "leave the gate" for some resaon, a valid {@link ConnectionFailEvent} is returned telling you why. Otherwisethis method will still return a non-null instance but  {@link ConnectionFailEvent#isNull()} will be <code>true</code>.<br><br> NOTE: your  {@link ConnectionFailListener} will still be called even if this method early-outs.<br><br> TIP:	You can use the return value as an optimization. Many apps will call this method (or its overloads) and throw up a spinner until receiving a callback to  {@link ConnectionFailListener}. However if   {@link ConnectionFailEvent#isNull()} for the return value is <code>false</code>, meaningthe connection attempt couldn't even start for some reason, then you don't have to throw up the spinner in the first place.
 */
public @Nullable(Prevalence.NEVER) ConnectionFailListener.ConnectionFailEvent connect(BleTransaction.Auth authenticationTxn,BleTransaction.Init initTxn,DeviceStateListener stateListener,ConnectionFailListener failListener){
  if (stateListener != null) {
    setListener_State(stateListener);
  }
  if (failListener != null) {
    setListener_ConnectionFail(failListener);
  }
  m_connectionFailMngr.onExplicitConnectionStarted();
  final ConnectionFailListener.ConnectionFailEvent info_earlyOut=connect_earlyOut();
  if (info_earlyOut != null)   return info_earlyOut;
  m_lastConnectOrDisconnectWasUserExplicit=true;
  if (isAny(CONNECTED,CONNECTING,CONNECTING_OVERALL)) {
    stateTracker_main().remove(RECONNECTING_LONG_TERM,E_Intent.INTENTIONAL,BleStatuses.GATT_STATUS_NOT_APPLICABLE);
    final ConnectionFailListener.ConnectionFailEvent info_alreadyConnected=ConnectionFailListener.ConnectionFailEvent.EARLY_OUT(this,Status.ALREADY_CONNECTING_OR_CONNECTED);
    m_connectionFailMngr.invokeCallback(info_alreadyConnected);
    return info_alreadyConnected;
  }
  connect_private(authenticationTxn,initTxn,false);
  return NULL_CONNECTIONFAIL_INFO();
}