Fix invalid map token

[goccy]

fix #407

[codecov-commenter]

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 76.87%. Comparing base (ab16112) to head (28e35e5).

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Additional details and impacted files

@@            Coverage Diff             @@
##           master     #504      +/-   ##
==========================================
+ Coverage   76.85%   76.87%   +0.01%     
==========================================
  Files          18       18              
  Lines        6136     6141       +5     
==========================================
+ Hits         4716     4721       +5     
  Misses       1112     1112              
  Partials      308      308