~~ semiColons: asi, typeLiteral.separatorKind.singleLine: comma ~~
== should use commas when single line ==
type Test = { p: string, u: number };

[expect]
type Test = { p: string, u: number }

== should not use anything multi-line ==
type Test = {
    p: string, u: number };

[expect]
type Test = {
    p: string
    u: number
}