import type { MetrikaConfig, NotixResponse } from './types';
declare global {
    interface Window {
        ym?: (counterId: number, event: string, target: string, params?: Record<string, unknown>) => void;
        Ya?: {
            Metrika?: {
                counterById?: Map<number, {
                    hit: (url: string, params?: Record<string, unknown>) => void;
                }>;
            };
        };
    }
}
export declare function createMetrikaTracker(config?: MetrikaConfig): MetrikaTracker | null;
export declare class MetrikaTracker {
    private counterId;
    private prefix;
    constructor(counterId: number, prefix: string);
    trackSent(response: NotixResponse): void;
    trackError(error: Error): void;
    trackFormCaptured(title: string, fieldsCount: number): void;
    trackGoal(name: string): void;
    private reachGoal;
}