gitmodimo opened a new pull request, #45674:
URL: https://github.com/apache/arrow/pull/45674

   ### Rationale for this change
   Concurrent queue primitive used in acero is also useful for writing custom 
acero nodes. Especially the Backpressure version which is very sepcific to 
acero. Making this primitive public simplifies and point into right direction 
when implementing custom nodes with backpressure.
   
   ### What changes are included in this PR?
   Apparently only header name change is required for this header to be 
installed. No symbols are exported as the queues are templates.
    
   ### Are these changes tested?
   It works on my windows and linux build.
   
   ### Are there any user-facing changes?
   Queue definition is available in new installed header.
   
   


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