import java.util.function.Function;
import java.util.function.Supplier;
import java.util.stream.Collectors;
import static java.util.Comparator.comparingLong;
@ThreadSafe
<BUG>public final class Track implements Cloneable {
</BUG>
public static final String CELL_ID = "cellId";
public static final String SAFETY_ZONE = "safetyZone";
public static final String EXTENT = "extent";

import java.util.function.Function;
import java.util.function.Supplier;
import java.util.stream.Collectors;
import static java.util.Comparator.comparingLong;
@ThreadSafe
public final class Track extends Target implements Cloneable {
public static final String CELL_ID = "cellId";
public static final String SAFETY_ZONE = "safetyZone";
public static final String EXTENT = "extent";
