import static com.google.common.base.Preconditions.checkNotNull;
+import com.google.common.base.Optional;
+import com.google.common.collect.ImmutableMultimap;
+import com.google.common.collect.ImmutableSet;
import java.io.InputStream;
import java.util.HashMap;
-
import javax.annotation.concurrent.NotThreadSafe;
import org.opendaylight.yangtools.yang.common.QName;
import org.opendaylight.yangtools.yang.model.api.ModuleImport;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-import com.google.common.base.Optional;
-import com.google.common.collect.ImmutableMultimap;
-import com.google.common.collect.ImmutableSet;
-
/**
*
* Resolution task for YANG Source Context