/**
 * Base API client with authentication
 */
import { AxiosInstance, AxiosRequestConfig } from 'axios';
export declare class APIClient {
    private baseUrl;
    private axiosInstance;
    private authToken;
    private tokenExpiry;
    constructor(baseUrl: string);
    /**
     * Authenticate with the API
     */
    authenticate(username?: string, password?: string): Promise<void>;
    /**
     * Check if token is expired
     */
    private isTokenExpired;
    /**
     * Refresh authentication token
     */
    private refreshAuth;
    /**
     * Make a GET request
     */
    get<T = any>(path: string, config?: AxiosRequestConfig): Promise<T>;
    /**
     * Make a POST request
     */
    post<T = any>(path: string, data?: any, config?: AxiosRequestConfig): Promise<T>;
    /**
     * Make a PUT request
     */
    put<T = any>(path: string, data?: any, config?: AxiosRequestConfig): Promise<T>;
    /**
     * Make a DELETE request
     */
    delete<T = any>(path: string, config?: AxiosRequestConfig): Promise<T>;
    /**
     * Set custom API key for authentication
     */
    setApiKey(apiKey: string): void;
    /**
     * Get the axios instance for custom requests
     */
    getAxiosInstance(): AxiosInstance;
}
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