src/main/java/com/spotify/sparkey/ReadOnlyMemMap.java [159:205]:
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    this.curChunk = curChunk;
  }

  private void next() throws IOException {
    MappedByteBuffer[] chunks = getChunks();
    curChunkIndex++;
    if (curChunkIndex >= chunks.length) {
      throw corruptionException();
    }
    MappedByteBuffer curChunk = chunks[curChunkIndex];
    if (curChunk == null) {
      throw new RuntimeException("chunk == null");
    }
    curChunk.position(0);
    this.curChunk = curChunk;
  }

  @Override
  public int readUnsignedByte() throws IOException {
    MappedByteBuffer curChunk = getCurChunk();
    if (curChunk.remaining() == 0) {
      next();
      curChunk = getCurChunk();
    }
    return ((int) curChunk.get()) & 0xFF;
  }

  @Override
  public int readLittleEndianInt() throws IOException {
    MappedByteBuffer curChunk = getCurChunk();
    if (curChunk.remaining() >= 4) {
      return curChunk.getInt();
    }

    // Value is on the chunk boundary - edge case so it is ok if it's a bit slower.
    return Util.readLittleEndianIntSlowly(this);
  }

  @Override
  public long readLittleEndianLong() throws IOException {
    MappedByteBuffer curChunk = getCurChunk();
    if (curChunk.remaining() >= 8) {
      return curChunk.getLong();
    }

    // Value is on the chunk boundary - edge case so it is ok if it's a bit slower.
    return Util.readLittleEndianLongSlowly(this);
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src/main/java/com/spotify/sparkey/ReadWriteMemMap.java [163:209]:
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    this.curChunk = curChunk;
  }

  private void next() throws IOException {
    MappedByteBuffer[] chunks = getChunks();
    curChunkIndex++;
    if (curChunkIndex >= chunks.length) {
      throw corruptionException();
    }
    MappedByteBuffer curChunk = chunks[curChunkIndex];
    if (curChunk == null) {
      throw new RuntimeException("chunk == null");
    }
    curChunk.position(0);
    this.curChunk = curChunk;
  }

  @Override
  public int readUnsignedByte() throws IOException {
    MappedByteBuffer curChunk = getCurChunk();
    if (curChunk.remaining() == 0) {
      next();
      curChunk = getCurChunk();
    }
    return ((int) curChunk.get()) & 0xFF;
  }

  @Override
  public int readLittleEndianInt() throws IOException {
    MappedByteBuffer curChunk = getCurChunk();
    if (curChunk.remaining() >= 4) {
      return curChunk.getInt();
    }

    // Value is on the chunk boundary - edge case so it is ok if it's a bit slower.
    return Util.readLittleEndianIntSlowly(this);
  }

  @Override
  public long readLittleEndianLong() throws IOException {
    MappedByteBuffer curChunk = getCurChunk();
    if (curChunk.remaining() >= 8) {
      return curChunk.getLong();
    }

    // Value is on the chunk boundary - edge case so it is ok if it's a bit slower.
    return Util.readLittleEndianLongSlowly(this);
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