export type Environment = {
    production: boolean;
    [key: string]: any;
};
export declare function setWindow(window: Window): void;
/**
 * import this for all values of the environment.json file
 */
export declare const environment: Environment;
export declare const envValidator: (defaultEnvironment: Environment) => void;
export declare const ɵinitializeEnvironment: (env: Environment, disableParentEnvironmentReuse?: boolean) => void;
export declare const ɵreuseEnvironment: () => boolean;
/**
 * Use this to check if the ng-dynamic-mf environment is available.
 * Will be false if ng-dynamic-mf was not used to bootstrap the app and no environment was set manually
 */
export declare function hasEnvironment(): boolean;
/**
 * Copies all environment variables into an iframe
 * Make sure to call this mehtod before the angular app in the iframe is bootstrapped
 * @param iframe the iframe to copy the environment into
 * @param environment optional environment to copy into the iframe. If not provided, the environment from the parent window is used
 *  * @throws if the environment is not available. Check with `hasEnvironment()` before calling this method
 */
export declare function copyEnvironmentIntoIFrame(iframe: HTMLIFrameElement, environment?: Environment): void;
/**
 * Use this to set a custom environment variable at runtime
 * @param key the key of the environment variable
 * @param value the value of the environment variable
 */
export declare const setEnvironmentValue: (key: string, value: unknown) => void;
/**
 * Registers a callback that is called whenever the environment is updated
 * @param callback the callback that is called whenever the environment is updated
 */
export declare const registerEnvironmentUpdateCallback: (callback: (environment: Environment) => void) => void;