chore: types support generic

[zombieJ]

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[vercel]

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[codecov]

Codecov Report

Merging #226 (4c8de64) into master (b7f5f92) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master     #226   +/-   ##
=======================================
  Coverage   99.77%   99.77%           
=======================================
  Files          15       15           
  Lines         445      445           
  Branches      105      105           
=======================================
  Hits          444      444           
  Misses          1        1           

Impacted Files	Coverage Δ
src/Cascader.tsx	100.00% <100.00%> (ø)

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