refine compressor interface
remove unnecessary clone()
prefer function instead of one-method-class
code gen for DirectX class
remove packed dependency on util
prefer int to int32 or uint32
fix search by reverting CRC32 change
relocate CompressionMode and LZ4 code to compressing package
implement StoredFieldsIndexWriter.writeBlock(0)
implement PackedWriter.add()
add defensive assert
implement PackedWriter.finish()
implement BulkOperationPacked.encodeLongToByte()
relocate ThrottledIndexOutput
fix String()
implement AllPostingsFormat()
fix deadlock
implement VERBOSE during IW config
fix PrintStreamInfoStream message
add missing log to IFD
implement IW.toLiveInfos()
fix commit missing error
implement RateLimitedIndexOutput.flushBuffer()