import { RolloutStage } from './types';
/**
 * Calculate what percentage of users would be affected by a rollout change.
 */
export declare function calculateRolloutImpact(currentPercentage: number, newPercentage: number): {
    added: number;
    removed: number;
    unchanged: number;
};
/**
 * Generate a suggested rollout schedule.
 */
export declare function generateRolloutSchedule(startDate: Date, targetPercentage?: number, durationDays?: number): RolloutStage[];