@Override
		public void close() throws IOException {
			// raf remains open
		}
Construct input block stream for specific block indexes
within the file based upon a changeMap.  The head buffer
will never be included in the transfer.
@param changeMapData ChangeMap data which is used in determining which
buffers should be streamed
@throws IOException if an I/O error occurs
Ghidra/Framework/DB/src/main/java/db/buffers/LocalBufferFile.java