presto-main/src/main/java/io/prestosql/sql/planner/planprinter/IoPlanPrinter.java/EstimatedStatsAndCost/equals
class EstimatedStatsAndCost:        @Override
        public boolean equals(Object obj)
        {
            if (this == obj) {
                return true;
            }
            if (obj == null || getClass() != obj.getClass()) {
                return false;
            }
            EstimatedStatsAndCost o = (EstimatedStatsAndCost) obj;
            return Objects.equals(outputRowCount, o.outputRowCount) &&
                    Objects.equals(outputSizeInBytes, o.outputSizeInBytes) &&
                    Objects.equals(cpuCost, o.cpuCost) &&
                    Objects.equals(maxMemory, o.maxMemory) &&
                    Objects.equals(networkCost, o.networkCost);
        }