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    Type:Task 
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    Resolution: Works as Designed
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    Priority:Major - P3 
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    Affects Version/s: None
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    Component/s: None
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this code can be removed according to patrick.freed once CDRIVER-2237 is resolved.
- is related to
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                    CDRIVER-2237 Server not invalidated in topology if command fails -         
- Closed
 
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                    CXX-1409 Add implementation of Change Streams -         
- Closed
 
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