import { NativeEventEmitter } from 'react-native';
import type { AsyncHookResult } from './types';
/**
 * simple hook wrapper for async functions for 'on-mount / componentDidMount' that only need to fired once
 * @param asyncGetter async function that 'gets' something
 * @param initialResult -1 | false | 'unknown'
 */
export declare function useOnMount<T>(asyncGetter: () => Promise<T>, initialResult: T): AsyncHookResult<T>;
export declare const deviceInfoEmitter: NativeEventEmitter;
/**
 * simple hook wrapper for handling events
 * @param eventName
 * @param initialValueAsyncGetter
 * @param defaultValue
 */
export declare function useOnEvent<T>(eventName: string, initialValueAsyncGetter: () => Promise<T>, defaultValue: T): AsyncHookResult<T>;