fix for typescript

[johndpope]

if I don't do this - ide throws error for typescript
#3050

[codecov]

Codecov Report

Merging #3385 (7294dbf) into master (e791571) will not change coverage.
The diff coverage is n/a.

❗ Current head 7294dbf differs from pull request most recent head aece47f. Consider uploading reports for the commit aece47f to get more accurate results

@@           Coverage Diff           @@
##           master    #3385   +/-   ##
=======================================
  Coverage   93.31%   93.31%           
=======================================
  Files          20       20           
  Lines        1332     1332           
  Branches      368      368           
=======================================
  Hits         1243     1243           
  Misses         27       27           
  Partials       62       62           

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