update export declaration

[just-boris]

Issue #, if available:

Description of changes:

Follow up for this: #70

The type declaration still does not work when using "moduleResolution": "node16" typescript config

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.42%. Comparing base (ba15cb4) to head (aab070f).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #71   +/-   ##
=======================================
  Coverage   91.42%   91.42%           
=======================================
  Files          16       16           
  Lines         910      910           
  Branches      273      273           
=======================================
  Hits          832      832           
  Misses         77       77           
  Partials        1        1           

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