type EventName = 'init' | 'boot' | 'ready' | 'start' | 'interaction' | 'resize' | 'pause' | 'resume' | 'volume' | 'retry' | 'finish' | 'install';

type InitCallbackType = (maxWidth: number, maxHeight: number) => void;
/**
 * Main SDK class providing playable ad functionality and state management.
 * Handles initialization, lifecycle events, and interactions across different ad networks.
 */
declare class sdk {
    /** Current version of the SDK */
    static version: string;
    /** Current maximum width of the playable ad container in pixels */
    static maxWidth: number;
    /** Current maximum height of the playable ad container in pixels */
    static maxHeight: number;
    /** Indicates if the current orientation is landscape (width > height) */
    static isLandscape: boolean;
    /** Indicates if the Ad Network is ready and playable ad can be initialized */
    static isReady: boolean;
    /** Indicates if all playable ad resources are loaded and gameplay has started */
    static isStarted: boolean;
    /** Indicates if the playable ad is currently paused */
    static isPaused: boolean;
    /** Indicates if the playable ad has finished */
    static isFinished: boolean;
    /** Current volume level (0-1) */
    static volume: number;
    /** Number of user interactions with the playable ad */
    static interactions: number;
    /**
     * Initializes the SDK and sets up protocol-specific handlers.
     * This must be called as earlier as possible.
     *
     * @param callback Optional function called when ad container is ready
     * @example
     * // Basic initialization
     * sdk.init();
     *
     * // Initialization with callback
     * sdk.init((width, height) => {
     *   new App(width, height)
     * });
     *
     * @fires init When initialization starts
     * @fires boot When the ad begins booting
     * @fires ready When Ad Network is ready and playable ad can be initialized
     */
    static init(callback?: InitCallbackType): void;
    /**
     * Starts the playable ad experience.
     * Should be called after all resources are loaded and first frame is rendered.
     *
     * @example
     * // Call just after all resources are preloaded and first frame is rendered
     * sdk.start();
     *
     * @fires start When the playable ad starts
     * @fires resize When the ad container is initially sized
     */
    static start(): void;
    /**
     * Marks the playable ad as finished.
     * This triggers network-specific completion handlers.
     *
     * @example
     * // Call when game/experience is complete
     * sdk.finish();
     *
     * @fires finish When the playable ad is marked as finished
     */
    static finish(): void;
    /**
     * Triggers a retry/restart of the playable ad.
     * Behavior varies by ad network.
     *
     * @example
     * // Allow user to try again
     * retryButton.onclick = () => sdk.retry();
     *
     * @fires retry When a retry is triggered
     */
    static retry(): void;
    /**
     * Triggers the install/download action for the advertised app.
     * Handles different store opening methods across ad networks.
     *
     * @example
     * // Call when user wants to install
     * installButton.onclick = () => sdk.install();
     *
     * @fires finish If the ad hasn't been marked as finished
     * @fires install When the install action is triggered
     */
    static install(): void;
    /**
     * Trigger force resize event
     * Useful when container size changes need to be manually propagated.
     *
     * @example
     * sdk.resize();
     *
     * @fires resize With current maxWidth and maxHeight
     */
    static resize(): void;
    /**
     * Forces the playable ad into a paused state.
     *
     * @example
     * // Pause the experience
     * pauseButton.onclick = () => sdk.pause();
     *
     * @fires pause When the ad enters paused state
     */
    static pause(): void;
    /**
     * Resumes the playable ad from a forced pause state.
     * Only works if the ad was paused via sdk.pause().
     *
     * @example
     * // Resume from pause
     * resumeButton.onclick = () => sdk.resume();
     *
     * @fires resume When the ad resumes from pause
     */
    static resume(): void;
    /**
     * Registers an event listener.
     *
     * @param event Name of the event to listen for
     * @param fn Callback function to execute when event occurs
     * @param context Optional 'this' context for the callback
     *
     * @example
     * // Listen for user interactions
     * sdk.on('interaction', (count) => {
     *   console.log(`User interaction #${count}`);
     * });
     *
     * // Listen for resize with context
     * sdk.on('resize', function(width, height) {
     *   this.updateLayout(width, height);
     * }, gameInstance);
     */
    static on(event: EventName, fn: Function, context?: any): void;
    /**
     * Registers a one-time event listener that removes itself after execution.
     *
     * @param event Name of the event to listen for
     * @param fn Callback function to execute when event occurs
     * @param context Optional 'this' context for the callback
     *
     * @example
     * // Listen for first interaction only
     * sdk.once('interaction', () => {
     *   console.log('First user interaction occurred!');
     * });
     */
    static once(event: EventName, fn: Function, context?: any): void;
    /**
     * Removes an event listener.
     *
     * @param event Name of the event to stop listening for
     * @param fn Optional callback function to remove (if not provided, removes all listeners for the event)
     * @param context Optional 'this' context to match when removing
     *
     * @example
     * // Remove specific listener
     * const handler = () => console.log('Interaction');
     * sdk.off('interaction', handler);
     *
     * // Remove all listeners for an event
     * sdk.off('interaction');
     */
    static off(event: EventName, fn?: Function, context?: any): void;
}

export { sdk as default, sdk };