MikeyBurkman

export type BanProps<T extends string> = { [P in T]: never } & {
  [key: string]: any;
};

interface Foo {
  x: string;
  y: number;
}

export type NotFoo = BanProps<keyof Foo>;

MikeyBurkman

import { SelectedValue, useNamespaces } from 'xpath';
import { DOMParser } from 'xmldom';
import * as _ from 'lodash';
import { VError } from 'verror';

interface Parser {
  parseXml: (xml: string) => Document;

  /**
   * Type guard that returns true iff the selected value is a Node.