There is a TODO in code owned by your team which references a resolved ticket.

The TODO appears in:

• src/mongo/db/query/compiler/dependency_analysis/pipeline_dependency_graph_test.cpp:4044

You can also search for all references to the resolved ticket here:
https://github.com/10gen/mongo/search?q=SERVER-135568&type=Code

The next steps for this ticket are to either remove the outdated TODO or follow the steps in the TODO if it is correct. If the latter, please update the summary and description of this ticket to represent the work you're actually doing.