Refactor scanner

[goccy]

SSIA

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 93.91304% with 14 lines in your changes missing coverage. Please review.

Project coverage is 78.07%. Comparing base (558921a) to head (17c923a).

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Additional details and impacted files

@@            Coverage Diff             @@
##           master     #482      +/-   ##
==========================================
+ Coverage   77.85%   78.07%   +0.22%     
==========================================
  Files          17       17              
  Lines        5797     5910     +113     
==========================================
+ Hits         4513     4614     +101     
- Misses       1013     1021       +8     
- Partials      271      275       +4