org.apache.lucene.analysis.charfilter.NormalizeCharMap.NormalizeCharMap C# (CSharp) Method

	  private NormalizeCharMap(FST<CharsRef> map)
	  {
		this.map = map;
		if (map != null)
		{
		  try
		  {
			// Pre-cache root arcs:
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.apache.lucene.util.fst.FST.Arc<org.apache.lucene.util.CharsRef> scratchArc = new org.apache.lucene.util.fst.FST.Arc<>();
			FST.Arc<CharsRef> scratchArc = new FST.Arc<CharsRef>();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.apache.lucene.util.fst.FST.BytesReader fstReader = map.getBytesReader();
			FST.BytesReader fstReader = map.BytesReader;
			map.getFirstArc(scratchArc);
			if (FST.targetHasArcs(scratchArc))
			{
			  map.readFirstRealTargetArc(scratchArc.target, scratchArc, fstReader);
			  while (true)
			  {
				Debug.Assert(scratchArc.label != FST.END_LABEL);
				cachedRootArcs[Convert.ToChar((char) scratchArc.label)] = (new FST.Arc<CharsRef>()).copyFrom(scratchArc);
				if (scratchArc.Last)
				{
				  break;
				}
				map.readNextRealArc(scratchArc, fstReader);
			  }
			}
			//System.out.println("cached " + cachedRootArcs.size() + " root arcs");
		  }
		  catch (IOException ioe)
		  {
			// Bogus FST IOExceptions!!  (will never happen)
			throw new Exception(ioe);
		  }
		}
	  }