src/Authorizer/ExceptionAware/ExceptionAware.php
public function handleException(array $credentials, $error_or_exception)
    {
        if ($this instanceof DelegatesToHandlerInterface && $this->getExceptionHandler()) {
            return $this->getExceptionHandler()->handleException($credentials, $error_or_exception);
        }

        return null;
    }
public function handleException(array $credentials, $error_or_exception)
    {
        if ($this instanceof DelegatesToHandlerInterface && $this->getExceptionHandler()) {
            return $this->getExceptionHandler()->handleException($credentials, $error_or_exception);
        }

        return null;
    }
{@inheritdoc}