import lupos.datastructures.items.Variable;
import lupos.datastructures.items.literal.Literal;
import lupos.datastructures.queryresult.QueryResult;
import lupos.engine.operators.BasicOperator;
import lupos.engine.operators.messages.Message;
<BUG>import lupos.engine.operators.multiinput.join.IndexJoin;
import lupos.gui.operatorgraph.GraphWrapperIDTuple;</BUG>
import lupos.gui.operatorgraph.OperatorGraph;
import lupos.gui.operatorgraph.graphwrapper.GraphWrapper;
import lupos.gui.operatorgraph.util.VEImageIcon;

import lupos.datastructures.items.Variable;
import lupos.datastructures.items.literal.Literal;
import lupos.datastructures.queryresult.QueryResult;
import lupos.engine.operators.BasicOperator;
import lupos.engine.operators.messages.Message;
import lupos.engine.operators.multiinput.join.IndexJoin;
import lupos.gui.debug.ShowResult.GetOperatorGraphViewer;
import lupos.gui.operatorgraph.GraphWrapperIDTuple;
import lupos.gui.operatorgraph.OperatorGraph;
import lupos.gui.operatorgraph.graphwrapper.GraphWrapper;
import lupos.gui.operatorgraph.util.VEImageIcon;
