fix! remove unnecessary overrides

import com.github.javaparser.ast.CompilationUnit;

import com.github.javaparser.ast.NodeList;

import es.upv.mist.slicing.arcs.sdg.ReturnArc;

import es.upv.mist.slicing.graphs.CallGraph;

import es.upv.mist.slicing.graphs.ClassGraph;

import es.upv.mist.slicing.graphs.augmented.PSDG;

import es.upv.mist.slicing.graphs.exceptionsensitive.ESSDG;

import es.upv.mist.slicing.graphs.exceptionsensitive.ExceptionSensitiveCallConnector;

import es.upv.mist.slicing.graphs.pdg.PDG;

import es.upv.mist.slicing.nodes.exceptionsensitive.ExitNode;

import es.upv.mist.slicing.nodes.exceptionsensitive.ReturnNode;

import es.upv.mist.slicing.slicing.ExceptionSensitiveSlicingAlgorithm;

import es.upv.mist.slicing.slicing.SlicingAlgorithm;

public class JSysDG extends ESSDG {

        return new JSysDG.Builder();

    }

    @Override

    protected SlicingAlgorithm createSlicingAlgorithm() {

        return new ExceptionSensitiveSlicingAlgorithm(this);

    }

    public void addReturnArc(ExitNode source, ReturnNode target) {

        addEdge(source, target, new ReturnArc());

    }

    /** Populates an ESSDG, using ESPDG and ESCFG as default graphs.

     * @see PSDG.Builder

     * @see ExceptionSensitiveCallConnector */