import React from 'react';
import { DateRange, UsageMetrics, ModelInfo, UserInfo } from '../types';
interface UsageStatsProps {
    usage: UsageMetrics | null;
    models: ModelInfo[];
    dateRange: DateRange;
    currentPreset: DatePreset;
    onDateRangeChange: (range: DateRange, preset?: DatePreset) => void;
    loading: boolean;
    userInfo?: UserInfo;
}
type DatePreset = 'today' | '24h' | '7d' | '30d';
export declare const UsageStats: React.FC<UsageStatsProps>;
export {};