presto-main/src/main/java/io/prestosql/sql/analyzer/FeaturesConfig.java/FeaturesConfig/setGroupedExecutionEnabled
class FeaturesConfig:    @Config("grouped-execution-enabled")
    @ConfigDescription("Experimental: Use grouped execution when possible")
    public FeaturesConfig setGroupedExecutionEnabled(boolean groupedExecutionEnabled)
    {
        this.groupedExecutionEnabled = groupedExecutionEnabled;
        return this;
    }