@vis.gl/react-google-maps/dist/libraries/assert-not-null.d.ts

React components and hooks for the Google Maps JavaScript API

/**
 * A typescript assertion function used in cases where typescript has to be
 * convinced that the object in question can not be null.
 *
 * @param value
 * @param message
 */
export declare function assertNotNull<TValue>(value: TValue, message?: string): asserts value is NonNullable<TValue>;