/**
 * OutX API client — shared HTTP wrapper with auth, error handling, and async task polling.
 */
export declare class OutxClient {
    private baseUrl;
    private apiKey;
    constructor(apiKey: string);
    private headers;
    private handleResponse;
    get(path: string, params?: Record<string, string>): Promise<unknown>;
    post(path: string, body: unknown): Promise<unknown>;
    put(path: string, body: unknown): Promise<unknown>;
    delete(path: string, body: unknown): Promise<unknown>;
    /**
     * Poll an async LinkedIn Data API task until it completes or fails.
     * Returns the task_output on success.
     */
    pollTask(taskId: string, maxAttempts?: number, delayMs?: number): Promise<unknown>;
}