import static com.google.common.primitives.UnsignedInts.INT_MASK;
import static com.google.common.primitives.UnsignedInts.compare;
import static com.google.common.primitives.UnsignedInts.toLong;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import java.math.BigInteger;

  }

  @Override
  public void close() throws IOException {
    reader.close();
  }

  @Override
  public int read() throws IOException {
    return (read(singleByte) == 1) ? UnsignedBytes.toInt(singleByte[0]) : -1;
  }

  // TODO(chrisn): Consider trying to encode/flush directly to the argument byte
  // buffer when possible.
  @Override
  public int read(byte[] b, int off, int len) throws IOException {