implement NumericDocValuesWriter ctor
implement AppendingDeltaPackedLongBuffer ctor
implement AppendingDeltaPackedLongBuffer.ramBytesUsed()
fix DefaultSimilarity's old inheritance pattern to force interface check
implement DefaultSimilarity.lengthNorm()
implement FloatToByte315()
implement NumericDocValuesWriter.addValue()
implement AbstractAppendingLongBuffer.size(0)
implement AbstractAppendingLongBuffer.add()
implement AppendingDeltaPackedLongBuffer.baseRamBytesUsed()
implement NumericDocValuesWriter.updateBytesUsed()
remove debug code
implement FreqProxTermsWriterPerField.flush()
implement PerFieldPostingsWriter.addField()
implement Lucene45Codec.postingsFormatForField()
implement Lucene41PostingsFormat ctor