import javax.annotation.Nullable;
import java.util.Collection;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Objects;
import java.util.Set;

public class DefaultTaskRequiredServices implements TaskRequiredServices {
    private final TaskInternal task;
    private final TaskMutator taskMutator;
    private final PropertyWalker propertyWalker;

    /**