Add dataflow option

[LEEKYE]

Address the issue #35174 in Java SDK

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[LEEKYE]

So far, this implementation is Java only. Once it's reviewed and approved, I will add Python and Go version changes.

[LEEKYE]

R: @apanich
R: @Abacn
R: @ryan-mbuashundip
R: @scwhittle
R: @kennknowles

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 70.75%. Comparing base (de76cfa) to head (a87ef90).
Report is 59 commits behind head on master.

Additional details and impacted files

@@              Coverage Diff              @@
##             master   #35120       +/-   ##
=============================================
+ Coverage     54.50%   70.75%   +16.25%     
- Complexity     1479     3310     +1831     
=============================================
  Files          1017      366      -651     
  Lines        160983    29285   -131698     
  Branches       1079     3416     +2337     
=============================================
- Hits          87737    20722    -67015     
+ Misses        71140     7002    -64138     
+ Partials       2106     1561      -545     

Flag	Coverage Δ
go	?
java	70.75% <ø> (+2.12%)	⬆️
python	?

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