/**
 * AnalyticsRepository Helpers
 *
 * Helper functions for transforming database rows to domain objects.
 */
import type { UsageEvent, Experiment, ExperimentAssignment, ExperimentOutcome, ROIMetrics } from './types.js';
import type { UsageEventRow, ExperimentRow, ExperimentAssignmentRow, ExperimentOutcomeRow, ROIMetricsRow } from './AnalyticsRepository.types.js';
/**
 * Convert a usage event row to a UsageEvent object
 */
export declare function rowToUsageEvent(row: UsageEventRow): UsageEvent;
/**
 * Convert a database row to an Experiment object
 */
export declare function rowToExperiment(row: ExperimentRow): Experiment;
/**
 * Convert an assignment row to an ExperimentAssignment object
 */
export declare function rowToAssignment(row: ExperimentAssignmentRow): ExperimentAssignment;
/**
 * Convert an outcome row to an ExperimentOutcome object
 */
export declare function rowToOutcome(row: ExperimentOutcomeRow): ExperimentOutcome;
/**
 * Convert a ROI metrics row to a ROIMetrics object
 */
export declare function rowToROIMetrics(row: ROIMetricsRow): ROIMetrics;
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