presto-resource-group-managers/src/main/java/io/prestosql/plugin/resourcegroups/SelectorResourceEstimate.java/SelectorResourceEstimate/toString
class SelectorResourceEstimate:    @Override
    public String toString()
    {
        return toStringHelper(this)
                .add("executionTime", executionTime)
                .add("cpuTime", cpuTime)
                .add("peakMemory", peakMemory)
                .toString();
    }