import org.eclipse.tracecompass.internal.statesystem.core.AttributeTree;
import org.eclipse.tracecompass.internal.statesystem.core.StateSystem;
import org.eclipse.tracecompass.statesystem.core.ITmfStateSystem;
import org.eclipse.tracecompass.internal.statesystem.core.AttributeTree;
import org.eclipse.tracecompass.internal.statesystem.core.StateSystem;
import org.eclipse.tracecompass.statesystem.core.ITmfStateSystem;