/**
 * Handy API Implementation
 *
 * Based on the official Handy API
 */
import { HandyDeviceInfo, HspState, StrokeSettings } from "./types";
export declare class HandyApi {
    private readonly baseV3Url;
    private readonly baseV2Url;
    private readonly applicationId;
    private connectionKey;
    private serverTimeOffset;
    private _eventSource;
    constructor(baseV3Url: string, baseV2Url: string, applicationId: string, connectionKey?: string);
    /**
     * Set the connection key for API requests
     */
    setConnectionKey(connectionKey: string): void;
    /**
     * Get the connection key
     */
    getConnectionKey(): string;
    /**
     * Set the server time offset for synchronization
     */
    setServerTimeOffset(offset: number): void;
    /**
     * Get the server time offset
     */
    getServerTimeOffset(): number;
    /**
     * Estimate the current server time based on local time and offset
     */
    estimateServerTime(): number;
    /**
     * Get headers for API requests
     */
    private getHeaders;
    /**
     * Make an API request with error handling
     */
    private request;
    /**
     * Check if the device is connected
     */
    isConnected(): Promise<boolean>;
    /**
     * Get device information
     */
    getDeviceInfo(): Promise<HandyDeviceInfo | null>;
    /**
     * Get the current device mode
     */
    getMode(): Promise<number | null>;
    /**
     * Upload a script file to the hosting service
     * Returns the URL where the script can be accessed
     */
    uploadScript(scriptFile: File | Blob): Promise<string | null>;
    /**
     * Setup script for HSSP playback
     */
    setupScript(scriptUrl: string): Promise<boolean>;
    /**
     * Start playback with the HSSP protocol
     */
    play(videoTime: number, playbackRate?: number, loop?: boolean): Promise<HspState | null>;
    /**
     * Stop playback
     */
    stop(): Promise<HspState | null>;
    /**
     * Synchronize the device's time with video time
     */
    syncVideoTime(videoTime: number, filter?: number): Promise<boolean>;
    /**
     * Get the current time offset
     */
    getOffset(): Promise<number>;
    /**
     * Set the time offset
     */
    setOffset(offset: number): Promise<boolean>;
    /**
     * Get the current stroke settings
     */
    getStrokeSettings(): Promise<StrokeSettings | null>;
    /**
     * Set the stroke settings
     */
    setStrokeSettings(settings: {
        min: number;
        max: number;
    }): Promise<StrokeSettings | null>;
    /**
     * Get the server time for synchronization calculations
     */
    getServerTime(): Promise<number | null>;
    /**
     * Synchronize time with the server
     * Returns calculated server time offset
     */
    syncTime(sampleCount?: number): Promise<number>;
    /**
     * Create an EventSource for server-sent events
     */
    createEventSource(): EventSource;
    /**
     * Close the EventSource if it exists
     */
    closeEventSource(): void;
}
export declare const createHandyApi: (baseV3Url: string, baseV2Url: string, applicationId: string, connectionKey?: string) => HandyApi;