[Backport 2.7] add queryFieldNames field in Doc Level Queries (#582)

[jowg-amazon]

Description

Manual backport to 2.7

• add queryFieldNames field in Doc Level Queries #582

Issues Resolved

[List any issues this PR will resolve]

Check List

• New functionality includes testing.
  • All tests pass
• New functionality has been documented.
  • New functionality has javadoc added
• Commits are signed per the DCO using --signoff

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 73.03%. Comparing base (8b18b01) to head (1b5fed0).

Additional details and impacted files

@@             Coverage Diff              @@
##                2.7     #618      +/-   ##
============================================
+ Coverage     72.42%   73.03%   +0.60%     
- Complexity      709      712       +3     
============================================
  Files           113      113              
  Lines          4704     4725      +21     
  Branches        615      616       +1     
============================================
+ Hits           3407     3451      +44     
+ Misses         1039     1013      -26     
- Partials        258      261       +3     

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