@NotNull @Override public PsiDeclarationStatement createVariableDeclarationStatement( @NotNull String name, @NotNull PsiType type, @Nullable PsiExpression initializer) throws IncorrectOperationException { if (!isIdentifier(name)) { throw new IncorrectOperationException("\"" + name + "\" is not an identifier."); } if (PsiType.NULL.equals(type)) { throw new IncorrectOperationException("Cannot create variable with type \"null\"."); } String text = "X " + name + (initializer != null ? " = x" : "") + ";"; PsiDeclarationStatement statement = (PsiDeclarationStatement) createStatementFromText(text, null); PsiVariable variable = (PsiVariable) statement.getDeclaredElements()[0]; replace(variable.getTypeElement(), createTypeElement(type), text); boolean generateFinalLocals = JavaCodeStyleSettingsFacade.getInstance(myManager.getProject()).isGenerateFinalLocals(); PsiUtil.setModifierProperty(variable, PsiModifier.FINAL, generateFinalLocals); if (initializer != null) { replace(variable.getInitializer(), initializer, text); } GeneratedMarkerVisitor.markGenerated(statement); return statement; }