chore: refine dataprotection api doc

[ldming]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 66.30%. Comparing base (0df28b8) to head (9e06991).
Report is 16 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6674      +/-   ##
==========================================
+ Coverage   66.19%   66.30%   +0.10%     
==========================================
  Files         303      303              
  Lines       36458    36458              
==========================================
+ Hits        24135    24175      +40     
+ Misses      10215    10183      -32     
+ Partials     2108     2100       -8     

Flag	Coverage Δ
unittests	66.30% <ø> (+0.10%)	⬆️

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