refactor: big `ChunkSize` refactor #110

Job	Run time
clippy-benches	24s
semver	13s
clippy (1.64.0, --no-default-features)	2m 32s
format	7s
clippy (stable, --no-default-features)	11s
test	2m 30s
clippy (nightly, --all-features, --tests)	28s
	6m 25s

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