Simplify ValueObject Interface

[jeckel]

No description provided.

[codecov]

Codecov Report

Merging #29 (26872d7) into main (d18f366) will not change coverage.
The diff coverage is n/a.

@@             Coverage Diff             @@
##                main       #29   +/-   ##
===========================================
  Coverage     100.00%   100.00%           
  Complexity         6         6           
===========================================
  Files              4         4           
  Lines             17        17           
===========================================
  Hits              17        17           

Flag	Coverage Δ
unittests	100.00% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update d18f366...26872d7. Read the comment docs.