Expose converter as a decorator #2118

Job	Run time
Verify dev env	13s
Build & verify package	23s
Check types using supported type checkers	17s
Run doctests & render changelog	17s
Tests & Mypy on 3.13	56s
Tests on pypy-3.10	22s
Tests & Mypy on 3.9	38s
Tests & Mypy on 3.11	44s
Tests & Mypy on 3.12	54s
Tests & Mypy on 3.10	1m 1s
Tests & Mypy on 3.14	52s
Combine & check coverage	10s
Ensure everything required is passing for branch protection	4s
	6m 51s

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