Lucene 6.5.1 source code

It seems that the old versions branches in github were deleted. There is a way to see Lucene 6.5.1 source code? The contents of this e-mail message and any attachments are confidential and are intended solely for addressee. The information may also be legally privileged. This transmission is sent

Cache (serialized) tokensteam?

the tokenstream? 2 - there is an existing code that already serialize a tokenstream? 3 - how to initialize an existing analyzer with a tokenstream? Thanks! Best, Omri The contents of this e-mail message and any attachments are confidential and are intended solely for addressee. The informa