> db.adminCommand({setParameter: 1, internalQueryFrameworkControl: "forceBonsai"})
{ "was" : "tryBonsai", "ok" : 1 }
 > db.foo.drop()
true
 > db.foo.insert({a: 1})
WriteResult({ "nInserted" : 1 })
 > db.foo.createIndex({a: 1})
{
        "numIndexesBefore" : 1,
        "numIndexesAfter" : 2,
        "createdCollectionAutomatically" : false,
        "ok" : 1
}
 > db.foo.find({}, {a: 1}).hint({a: 1})
Error: error: {
        "ok" : 0,
        "errmsg" : "Optimization failed.",
        "code" : 6808706,
        "codeName" : "Location6808706"
}
 > db.foo.find({a: 1}, {a: 1}).hint({a: 1})
{ "_id" : ObjectId("6364141d2262a3abfef2fb2e"), "a" : 1 }