let foo: (
    // comment
    any
);
let foo: (
    // comment
    null
);
let foo: (
    // comment
    this
);
let foo: (
    // comment
    number
);
let foo: (
    // comment
    void
);
let foo: (
    // comment
    boolean
);
let foo: (
    // comment
    bigint
);
let foo: (
    // comment
    symbol
);
let foo: (
    // comment
    string
);
let foo: (
    // comment
    never
);
let foo: (
    // comment
    object
);
let foo: (
    // comment
    undefined
);
let foo: (
    // comment
    unknown
);
