Source: polyfills-es5.min.js

/**
 * @preserve
 * Non-compliant/use-them-at-your-own-risk polyfills for ES5:
 * console.log, Event, CustomEvent,
 * Location.origin, Location.toString,
 * DOMTokenList.prototype {add, remove, item, contains, toggle (1 arg), length}
 * requestAnimationFrame, cancelAnimationFrame,
 * Object.setPrototypeOf
 */
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