import { IExecuteFunctions } from 'n8n-workflow';
/**
 * Analytics operations for HeyReach API
 */
export declare class AnalyticsOperations {
    /**
     * Get overall campaign statistics
     */
    static getOverallStats(context: IExecuteFunctions, itemIndex: number): Promise<any>;
    /**
     * Filter metrics based on user selection
     */
    private static filterMetrics;
}
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