/**
 * @fileoverview ThingsBoard Client - Unified
 * @description Unified client that handles both connection management and DataSource creation
 * @author XCON Studio
 */
import { BaseConnectionManager } from '@xcons/datasource';
import { ThingsBoardConnectionConfig } from './types';
/**
 * Unified ThingsBoard Client
 * Combines connection management and DataSource factory functionality
 */
export declare class ThingsBoardClient extends BaseConnectionManager<ThingsBoardConnectionConfig> {
    private currentUser;
    constructor(config: ThingsBoardConnectionConfig, eventEmitter?: (eventType: any, data: any) => void);
    /**
     * Perform ThingsBoard authentication
     */
    protected performAuthentication(): Promise<void>;
    /**
     * Validate ThingsBoard connection by getting user info
     */
    protected validateConnection(): Promise<void>;
    /**
     * Get authentication headers for ThingsBoard
     */
    protected getAuthHeaders(): Record<string, string>;
    /**
     * Validate ThingsBoard specific configuration
     */
    protected validateConfig(): void;
    /**
     * Make ThingsBoard API request with proper URL building and error handling
     */
    makeThingsBoardRequest<T>(method: string, endpoint: string, data?: any, requireAuth?: boolean): Promise<T>;
    /**
     * Get current user information (cached after validation)
     */
    getCurrentUser(): Promise<any>;
    /**
     * Refresh authentication token (if refresh token is available)
     */
    refreshAuthToken(): Promise<void>;
    /**
     * Authenticate using username and password
     */
    private authenticateWithCredentials;
    /**
     * Override disconnect to clear cached data
     */
    disconnect(): Promise<void>;
}
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