static void addCreateParameterProposal(
     Collection<ICompletionProposal> proposals,
     String def,
     String desc,
     Image image,
     Declaration dec,
     PhasedUnit unit,
     Tree.Declaration decNode,
     Tree.ParameterList paramList,
     ProducedType t) {
   IFile file = CeylonBuilder.getFile(unit);
   TextFileChange change = new TextFileChange("Add Parameter", file);
   change.setEdit(new MultiTextEdit());
   int offset = paramList.getStopIndex();
   int il = importType(change, t, unit.getCompilationUnit());
   change.addEdit(new InsertEdit(offset, def));
   proposals.add(
       new CreateProposal(
           def,
           "Add " + desc + " to '" + dec.getName() + "'",
           image,
           0,
           offset + il,
           file,
           change));
 }
 static void addCreateParameterAndAttributeProposal(
     Collection<ICompletionProposal> proposals,
     String pdef,
     String adef,
     String desc,
     Image image,
     Declaration dec,
     PhasedUnit unit,
     Tree.Declaration decNode,
     Tree.ParameterList paramList,
     Tree.Body body,
     ProducedType t) {
   IFile file = CeylonBuilder.getFile(unit);
   TextFileChange change = new TextFileChange("Add Attribute", file);
   change.setEdit(new MultiTextEdit());
   int offset = paramList.getStopIndex();
   IDocument doc = CreateProposal.getDocument(change);
   String indent;
   String indentAfter;
   int offset2;
   List<Tree.Statement> statements = body.getStatements();
   if (statements.isEmpty()) {
     indentAfter = "\n" + CeylonQuickFixAssistant.getIndent(decNode, doc);
     indent = indentAfter + getDefaultIndent();
     offset2 = body.getStartIndex() + 1;
   } else {
     Tree.Statement statement = statements.get(statements.size() - 1);
     indent = "\n" + CeylonQuickFixAssistant.getIndent(statement, doc);
     offset2 = statement.getStopIndex() + 1;
     indentAfter = "";
   }
   int il = importType(change, t, unit.getCompilationUnit());
   change.addEdit(new InsertEdit(offset, pdef));
   change.addEdit(new InsertEdit(offset2, indent + adef + indentAfter));
   proposals.add(
       new CreateProposal(
           pdef,
           "Add " + desc + " to '" + dec.getName() + "'",
           image,
           0,
           offset + il,
           file,
           change));
 }