PsiExpression (@NotNull PsiMethod constructor, LookupElement @NotNull [] suggestedInitializers, @NotNull PsiField field, @NotNull Project project) { PsiCodeBlock methodBody = constructor.getBody(); if (methodBody == null) { //incomplete code CreateFromUsageUtils.setupMethodBody(constructor); methodBody = constructor.getBody(); LOG.assertTrue(methodBody != null); } final String fieldName = field.getName(); String stmtText = fieldName + " = " + Objects.requireNonNull(suggestedInitializers[0].getPsiElement()).getText() + ";"; if (methodContainsParameterWithName(constructor, fieldName)) { stmtText = "this." + stmtText; } final PsiManager psiManager = PsiManager.getInstance(project); final PsiElementFactory factory = JavaPsiFacade.getElementFactory(psiManager.getProject()); final CodeStyleManager codeStyleManager = CodeStyleManager.getInstance(project); final PsiExpressionStatement addedStatement = (PsiExpressionStatement)methodBody.add(codeStyleManager .reformat(factory.createStatementFromText(stmtText, methodBody))); return Objects.requireNonNull(((PsiAssignmentExpression)addedStatement.getExpression()).getRExpression()); }