/**
 * Indicates if the agent is running within a normal browser window context.
 */
export const isBrowserScope: boolean;
/**
 * Indicates if the agent is running within a worker context.
 */
export const isWorkerScope: boolean;
export const globalScope: false | typeof globalThis;
export const loadedAsDeferredBrowserScript: boolean;
export const initiallyHidden: boolean;
export const initialLocation: string;
export const isiOS: boolean;
/**
 * Shared Web Workers introduced in iOS 16.0+ and n/a in 15.6-
 *
 * It was discovered in Safari 14 (https://bugs.webkit.org/show_bug.cgi?id=225305) that the buffered flag in PerformanceObserver
 * did not work. This affects our onFCP metric in particular since web-vitals uses that flag to retrieve paint timing entries.
 * This was fixed in v16+.
 */
export const iOSBelow16: boolean;
export const ffVersion: number;
/**
 * Represents the absolute timestamp in milliseconds that the page was loaded
 * according to the browser's local clock.
 * @type {number}
 */
export const originTime: number;
export function getNavigationEntry(): PerformanceNavigationTiming | undefined;
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