void (UsageInfo @NotNull [] usages) { super.performRefactoring(usages); final GrOpenBlock block = constructor.getBlock(); LOG.assertTrue(block != null); final GroovyPsiElementFactory factory = GroovyPsiElementFactory.getInstance(project); final String text; if (StringUtil.equals(selectedValue.getName(), finalParameterName)) { text = "this." + selectedValue.getName() + " = " + finalParameterName; } else { text = selectedValue.getName() + " = " + finalParameterName; } final GrStatement assignment = factory.createStatementFromText(text); final GrStatement statement = block.addStatementBefore(assignment, null); final GrReferenceExpression ref = (GrReferenceExpression)((GrAssignmentExpression)statement).getLValue(); if (!PsiManager.getInstance(project).areElementsEquivalent(ref.resolve(), selectedValue)) { PsiUtil.qualifyMemberReference(ref, selectedValue, selectedValue.getName()); } }