import { Unregisterable } from './shared';
import { AppAchievements } from './App';
import { Screenshot } from './Screenshots';
/**
 * Represents functions related to Steam Game Sessions.
 */
export interface GameSessions {
    /**
     * Registers a callback function to be called when an achievement notification is received.
     * @param callback The callback function to be called.
     * @returns an object that can be used to unregister the callback.
     */
    RegisterForAchievementNotification(callback: (notification: AchievementNotification) => void): Unregisterable;
    /**
     * Registers a callback function to be called when an app lifetime notification is received.
     * @param callback The callback function to be called.
     * @returns an object that can be used to unregister the callback.
     */
    RegisterForAppLifetimeNotifications(callback: (notification: AppLifetimeNotification) => void): Unregisterable;
    /**
     * Registers a callback function to be called when a screenshot notification is received.
     * @param callback The callback function to be called.
     * @returns an object that can be used to unregister the callback.
     */
    RegisterForScreenshotNotification(callback: (notification: ScreenshotNotification) => void): Unregisterable;
}
/**
 * @prop unAppID is not properly set by Steam for non-steam game shortcuts, so it defaults to 0 for them
 */
interface GameSessionNotificationBase {
    unAppID: number;
}
export interface AchievementNotification extends GameSessionNotificationBase {
    achievement: AppAchievements;
    nCurrentProgress: number;
    nMaxProgress: number;
}
export interface AppLifetimeNotification extends GameSessionNotificationBase {
    nInstanceID: number;
    bRunning: boolean;
}
export interface ScreenshotNotification extends GameSessionNotificationBase {
    details: Screenshot;
    hScreenshot: number;
    strOperation: 'deleted' | 'written';
}
export {};