MethodSignature is the only TypeElement that introduces 'arguments' symbol in scope

[ajafff]

TypeScript Version: 3.2.0-dev.20181110

Search Terms:

Code

interface I {
    method(args: typeof arguments): void;
    fn: (args: typeof arguments) => void;
    (args: typeof arguments): void;
    new (args: typeof arguments): void;
    construct: new (args: typeof arguments) => void;
}

Expected behavior:

Error on all occurrences of arguments.

Actual behavior:

Error Cannot find name 'arguments'. on all signatures but method.

Playground Link: https://agentcooper.github.io/typescript-play/#code/JYOwLgpgTgZghgYwgAgJLIN4Chm+QWwjAAsB7AEwAo4oBzAZwC5kwBPABwlJmRtoFdC4egEpmAN1LByAbhx4YIZtTpMWHLjz6CIwkcgC8APmSTpcvMhUNmbTt150deiVNnzcICAHcrfNXaajgJCYKKu5h7ICKQg9GBQ-AhgzF6+1gEaDtqhooYmZu4AvkA