Improve Java ElasticLib

[Gold872]

• Added method chaining API
• Allow removing auto dismiss
• Add javadocs

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 66.47%. Comparing base (7321ba4) to head (6e0fac4).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #133   +/-   ##
=======================================
  Coverage   66.46%   66.47%           
=======================================
  Files          78       78           
  Lines        8064     8066    +2     
=======================================
+ Hits         5360     5362    +2     
  Misses       2704     2704           

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