presto-main/src/main/java/io/prestosql/sql/planner/OptimizerStatsRecorder.java/OptimizerStatsRecorder/getName
class OptimizerStatsRecorder:    private String getName(Class<?> key)
    {
        return ObjectNames.builder(PlanOptimizer.class)
                .withProperty("optimizer", key.getSimpleName())
                .build();
    }