/**
 * Some extra options for {@link restoreGlobals} and {@link assertNoPoisoning}
 */
export type ExtraOptions = {
    /**
     * Discard any changes occuring on any root matching the regex or any of its children.
     * Elements being child of several roots must have all their roots ignored not be tracked.
     *
     * eg.: If pattern is /^_/ then any change of globalThis._ignored or children of it will be omitted.
     * Except changes on prop if globalThis._ignored.prop === globalThis.nonIgnored.prop as prop is part of a tracked root too.
     *
     * Remark: a root is a property directly accessible from globalThis
     */
    ignoredRootRegex?: RegExp;
};
/**
 * Restore all globals as they were when first importing this package.
 *
 * Remark: At least, it attempts to do so
 */
export declare function restoreGlobals(options?: ExtraOptions): void;
/**
 * Check whether or not some globlas have been poisoned by some code.
 *
 * Poisoned being one of the following changes:
 * - a new entity is accessible directly or indirectly from `globalThis`
 * - an entity referenced directly or indirectly on `globalThis` has been altered
 * - an entity referenced directly or indirectly on `globalThis` has been dropped
 *
 * Here are some examples of such changes:
 * - someone added a new global on `window` (browser case) or `global` (node case) or modern `globalThis` (everywhere)
 * - someone changed `Array.prototype.map` into another function
 */
export declare function assertNoPoisoning(options?: ExtraOptions): void;