import { Command } from 'commander';
export declare function validateOutputFormat(value: string): 'table' | 'json';
export declare function validateDateFormat(value: string): string;
export declare function validateDateRange(startDay: string, endDay: string): void;
export declare function registerStatisticsCommands(program: Command): void;
//# sourceMappingURL=statistics.commands.d.ts.map