NamedImportSpecifier
e.g. - import { foo } from 'mod.js'
local = foo, imported = None
e.g. import { foo as bar } from 'mod.js'
local = bar, imported = Some(foo) for
interface NamedImportSpecifier extends Node, HasSpan {
imported?: ModuleExportName;
isTypeOnly: boolean;
local: Identifier;
type: "ImportSpecifier";
}