Major - P3 Running both commands on mongod gives following errors.
> db.runCommand({ aggregate : "foo", pipeline : [{ $match: { i: 0 } }], maxTimeMS: 1000 })
{ "ok" : 0, "errmsg" : "unrecognized field 'maxTimeMS'" }
> db.runCommand({collMod: "foo", usePowerOf2Sizes : false, maxTimeMS: 1000 });
{ "ok" : 0, "errmsg" : "unknown option to collMod: maxTimeMS" }