import { AmplitudeCredentials, EventSegmentationParams, EventSegmentationResponse } from '../types/amplitude.js';
export declare class AmplitudeService {
    private readonly baseUrl;
    /**
     * Query events using the Event Segmentation API
     * @param credentials Amplitude API credentials
     * @param params Event segmentation parameters
     * @returns Event segmentation data
     */
    queryEvents(credentials: AmplitudeCredentials, params: EventSegmentationParams): Promise<EventSegmentationResponse>;
    /**
     * Build headers for Amplitude API requests
     * @param credentials Amplitude API credentials
     * @returns Headers object
     */
    private buildHeaders;
}
export declare const amplitudeService: AmplitudeService;