refactor(types): reduce unsafe casts and adopt variadic tuple args

[gjbkz]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 92.59259% with 6 lines in your changes missing coverage. Please review.
✅ Project coverage is 97.01%. Comparing base (de90936) to head (1d46c5e).
⚠️ Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
src/parseIpv6Address.ts	76.00%	6 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #426      +/-   ##
==========================================
- Coverage   97.19%   97.01%   -0.19%     
==========================================
  Files          45       45              
  Lines        2107     2144      +37     
  Branches      210      212       +2     
==========================================
+ Hits         2048     2080      +32     
- Misses         59       64       +5     

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