[PR] Fix ErrorProne BadInstanceof warnings and enable check globally [beam]

Tue, 03 Mar 2026 12:54:03 -0800 


stankiewicz opened a new pull request, #37753:
URL: https://github.com/apache/beam/pull/37753

   This PR removes the `BadInstanceof` ErrorProne check from the 
`disabledChecks` list in 
`src/main/groovy/org/apache/beam/gradle/BeamModulePlugin.groovy` to enforce it 
globally. 
   Additionally, it resolves all existing `BadInstanceof` warnings across the 
project. Most of these violations consisted of checking if an object was an 
instance of its own declared type or a supertype (which is always true unless 
the object is `null`). To resolve these, the redundant `instanceof` checks have 
been replaced with appropriate null checks (`!= null` or `== null`).
   
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