import { BaseService, ServiceConfig, ServiceHealthStatus, ServiceResponse } from './base-service.js';
import { AxiosRequestConfig } from 'axios';
export interface ExternalApiConfig extends ServiceConfig {
    baseURL?: string;
    timeout?: number;
    maxRetries?: number;
    retryDelay?: number;
    defaultHeaders?: Record<string, string>;
    rateLimitPerSecond?: number;
}
export interface RequestOptions {
    method?: 'GET' | 'POST' | 'PUT' | 'DELETE' | 'PATCH';
    url: string;
    data?: any;
    params?: Record<string, any>;
    headers?: Record<string, string>;
    timeout?: number;
    sanitizeRequest?: boolean;
    sanitizeResponse?: boolean;
}
export interface ApiResponse<T = any> {
    data: T;
    status: number;
    statusText: string;
    headers: Record<string, string>;
    config: AxiosRequestConfig;
}
export declare class ExternalApiService extends BaseService {
    private client;
    protected config: Required<ServiceConfig> & ExternalApiConfig;
    private requestQueue;
    private isProcessingQueue;
    constructor(serviceName: string, config: ExternalApiConfig);
    private setupInterceptors;
    healthCheck(): Promise<ServiceHealthStatus>;
    makeRequest<T = any>(options: RequestOptions): Promise<ServiceResponse<ApiResponse<T>>>;
    get<T = any>(url: string, params?: Record<string, any>, options?: Omit<RequestOptions, 'method' | 'url' | 'params'>): Promise<ServiceResponse<ApiResponse<T>>>;
    post<T = any>(url: string, data?: any, options?: Omit<RequestOptions, 'method' | 'url' | 'data'>): Promise<ServiceResponse<ApiResponse<T>>>;
    put<T = any>(url: string, data?: any, options?: Omit<RequestOptions, 'method' | 'url' | 'data'>): Promise<ServiceResponse<ApiResponse<T>>>;
    delete<T = any>(url: string, options?: Omit<RequestOptions, 'method' | 'url'>): Promise<ServiceResponse<ApiResponse<T>>>;
    patch<T = any>(url: string, data?: any, options?: Omit<RequestOptions, 'method' | 'url' | 'data'>): Promise<ServiceResponse<ApiResponse<T>>>;
    private enforceRateLimit;
    private processQueue;
    updateConfig(newConfig: Partial<ExternalApiConfig>): void;
    setAuthHeader(token: string, type?: 'Bearer' | 'Basic' | 'ApiKey'): void;
    removeAuthHeader(): void;
    getConfig(): Required<ServiceConfig>;
    getQueueStatus(): {
        queueLength: number;
        isProcessing: boolean;
    };
    clearQueue(): void;
}