import com.google.common.collect.ImmutableMap;
import com.google.common.io.ByteSource;
import com.google.common.util.concurrent.Uninterruptibles;
import java.io.OutputStream;
import java.util.List;
import com.google.common.collect.ImmutableMap;
import com.google.common.io.ByteSource;
import com.google.common.util.concurrent.Uninterruptibles;
import java.io.OutputStream;
import java.util.List;