chore: add returns to JSDoc

[qqpann]

closes #1242

[vercel[bot]]

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[codecov[bot]]

Codecov Report

Merging #1310 (6ab7c3b) into main (ba8d632) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #1310   +/-   ##
=======================================
  Coverage   91.40%   91.40%           
=======================================
  Files          74       74           
  Lines        4527     4527           
  Branches      770      770           
=======================================
  Hits         4138     4138           
  Misses        389      389           

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