Use // ^^^ to highlight a particular range of the line above it.
// ^^^
function function add(a: number, b: number): numberadd(a: numbera: number, b: numberb: number) { return a: numbera + b: numberb}
function add(a: number, b: number): number
a: number
b: number
```ts twoslashfunction add(a: number, b: number) { // ^^^ return a + b}```
