[LUCENE-9380] Fix auxiliary class warnings in Lucene

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 8.6

Environment

There are only three and they're entirely simple so I'll fix them up. Since they're in Lucene, I thought it should be a separate JIRA.

• Lucene Fields: New
• Assignee: Erick Erickson
• Reporter: Erick Erickson
• Created: 22/May/20 23:08
• Updated: 28/Aug/22 16:03
• Resolved: 30/May/20 11:29

Issue Links

• links to: GitHub Pull Request #1534