Add support for concurrent loader

[sonnes]

No description provided.

[codecov-commenter]

Codecov Report

Patch coverage has no change and project coverage change: +0.80% 🎉

Comparison is base (45bb106) 98.66% compared to head (e1a7788) 99.47%.
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #18      +/-   ##
==========================================
+ Coverage   98.66%   99.47%   +0.80%     
==========================================
  Files          30       15      -15     
  Lines         601      189     -412     
==========================================
- Hits          593      188     -405     
+ Misses          8        1       -7     

see 17 files with indirect coverage changes

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[ajatprabha]

Let's add some more testcases for the code paths which are not covered yet, test coverage is more important here as it deals heavily with reflection.