Chore: more idiomatic java 17, remove "i" prefix

[robfrank]

What does this PR do?

Refactor to use more java 17 idioms
Replace most of i prefixed parameters

yes, it's huge, but it contains just cosmetic changes

Motivation

Evolve the code to be ready when we can migrate to java 21

Checklist

• I have run the build using mvn clean package command
• My unit tests cover both failure and success scenarios

[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
Report missing for b450b041	✅ 51.62%

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (b450b04)	Report Missing	Report Missing	Report Missing
Head commit (cbc739b)	68184	43978	64.50%

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#1916)	2879	1486	51.62%

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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Footnotes

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