// <|> is the cursor position
/* Input */
// All messages are represented in JSON.
// So, the prettier.py controls a subprocess which spawns "node {this_file}".
import {<|> } from "fs"
/* Prettier 3.0.0 */
// All messages are represented in JSON.
// So, the prettier.py <|>controls a subprocess which spawns "node {this_file}".
import {} from "fs"
/* Prettier 3.0.1 */
// All messages are represented in JSON.
// So, the prettier.py controls a subprocess which spawns "node {this_file}".
import {<|>} from "fs"

// Input
function fn() {
 return (
 /**
 * @​type {...}
 */ expresssion
 )
}
// Prettier 3.0.0
function fn() {
 return /**
 * @​type {...}
 */ expresssion;
}
// Prettier 3.0.1
function fn() {
 return (
 /**
 * @​type {...}
 */ expresssion
 );
}

<!-- Input -->
<script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean"></script>
<!-- Prettier 3.0.0 -->
<script
 setup
 lang="ts"
 generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean"
></script>
<!-- Prettier 3.0.1 -->
<script
 setup
 lang="ts"
 generic="
 T extends Type1 & Type2 & (Type3 | Type4),
 U extends string | number | boolean
 "
></script>

function a(b) {
 if (b) return 1; // comment
 else return 2;
}
/* Prettier 3.0.0 */
Error: Comment "comment" was not printed. Please report this error!
/* Prettier 3.0.1 */
function a(b) {
 if (b) return 1; // comment
 else return 2;
}

export interface Printer<T = any> {
 // ...
+ preprocess?:
+ | ((ast: T, options: ParserOptions<T>) => T | Promise<T>)
+ | undefined;
}

const printer: Printer = {
 print: () => [],
 getVisitorKeys(node, nonTraversableKeys) {
 return ["body"];
 },
};

// Input
interface TestNode {
 readonlyArray: readonly string[];
}
declare const path: AstPath<TestNode>;
path.map(() => "", "readonlyArray");
// Prettier 3.0.0
interface TestNode {
 readonlyArray: readonly string[];
}
declare const path: AstPath<TestNode>;
path.map(() => "", "readonlyArray");
// ^ Argument of type '"readonlyArray"' is not assignable to parameter of type '"regularArray"'. ts(2345)
// Prettier 3.0.1
interface TestNode {
 readonlyArray: readonly string[];
}
declare const path: AstPath<TestNode>;
path.map(() => "", "readonlyArray");

// Input
div {
 margin: - func();
}
// Prettier 3.0.0
div {
 margin: -func();
}
// Prettier 3.0.1
div {
 margin: - func();
}