import org.eclipse.tracecompass.internal.segmentstore.core.segmentHistoryTree.SegmentHistoryTree;
import org.eclipse.tracecompass.internal.segmentstore.core.segmentHistoryTree.SegmentTreeNode;
import org.eclipse.tracecompass.internal.segmentstore.core.segmentHistoryTree.SegmentHistoryTree;
import org.eclipse.tracecompass.internal.segmentstore.core.segmentHistoryTree.SegmentTreeNode;