bnorm

import java.util.Comparator;
import java.util.NoSuchElementException;
import java.util.Objects;
import java.util.Optional;
import java.util.function.IntPredicate;

public final class Range<T> {

    private final Comparator<? super T> comparator;
    private final Endpoint<T> min;

bnorm

import java.util.Comparator;
import java.util.DoubleSummaryStatistics;
import java.util.IntSummaryStatistics;
import java.util.Iterator;
import java.util.LongSummaryStatistics;
import java.util.Optional;
import java.util.OptionalDouble;
import java.util.OptionalInt;
import java.util.OptionalLong;
import java.util.PrimitiveIterator;

bnorm

import java.util.Objects;
import java.util.Optional;
import java.util.StringJoiner;
import java.util.stream.Collector;
import java.util.stream.Collectors;

public class Singleton<T> {

    private T value;
    private volatile int count;