import { AuthConfig, ApiResult } from '../types/index.js';
import { CacheManager } from './cache.js';
export declare class DataForSeoError extends Error {
    code: string;
    statusCode?: number | undefined;
    constructor(message: string, code: string, statusCode?: number | undefined);
}
export declare class DataForSeoClient {
    private authHeader;
    private cache;
    private debug;
    constructor(auth: AuthConfig, cache: CacheManager, debug?: boolean);
    post<T>(endpoint: string, body: unknown[], opts?: {
        noCache?: boolean;
    }): Promise<ApiResult<T>>;
    testAuth(): Promise<boolean>;
    private fetchWithRetry;
    private mapApiError;
}