import type { ResponseOf } from '../types/response';
import { AxiosRequestConfig } from 'axios';
/**
 * Authentication configuration for HttpClient
 */
export interface HttpClientAuthConfig {
    /** API key for backend mode - full API access */
    apiKey?: string;
    /** Session token for client mode - limited access */
    sessionToken?: string;
}
/**
 * Optional configuration for HttpClient
 *
 * `headers` is a free-form bag of extra headers merged into every
 * request. Keys are auto-formatted to `x-kebab-case` to mirror
 * `videodb-python`'s kwarg-to-header behavior, e.g. `org_id` → `x-org-id`.
 */
export interface HttpClientOptions {
    headers?: Record<string, string>;
}
/**
 * Api initialization to make axios config
 * options available to all child classes
 * internally.
 *
 * Response data is converted from snake_case to camelCase.
 * Request data must be provided in snake_case format at the call site.
 *
 * Supports dual authentication modes:
 * - API key: Full backend access
 * - Session token: Limited client access (backend handles distinguishing)
 */
export declare class HttpClient {
    #private;
    /**
     * Create an HttpClient with auth configuration
     * @param baseURL - Base URL for the API
     * @param authConfig - Authentication configuration (apiKey or sessionToken)
     * @param options - Optional client configuration (custom headers)
     */
    protected constructor(baseURL: string, authConfig: HttpClientAuthConfig, options?: HttpClientOptions);
    /**
     * Create an HttpClient with API key (legacy signature)
     * @param baseURL - Base URL for the API
     * @param apiKey - API key for authentication
     * @param options - Optional client configuration (custom headers)
     * @deprecated Use the object-based constructor instead
     */
    protected constructor(baseURL: string, apiKey: string, options?: HttpClientOptions);
    get: <R>(urlSeries: string[], options?: AxiosRequestConfig<undefined>) => Promise<ResponseOf<R>>;
    delete: <R>(urlSeries: string[], options?: AxiosRequestConfig<undefined>) => Promise<ResponseOf<R>>;
    post: <R, D = undefined>(urlSeries: string[], data?: D, options?: AxiosRequestConfig<D>) => Promise<ResponseOf<R>>;
    put: <R, D = undefined>(urlSeries: string[], data?: D, options?: AxiosRequestConfig<D>) => Promise<ResponseOf<R>>;
    patch: <R, D = undefined>(urlSeries: string[], data?: D, options?: AxiosRequestConfig<D>) => Promise<ResponseOf<R>>;
}