import { UsageService } from './usage.service';
export declare class UsageController {
    private usageService;
    constructor(usageService: UsageService);
    getSummary(req: any): Promise<{
        limit: any;
        percentage: string;
        plan: any;
        monthlyUsage: number;
        monthlyLimit: any;
        totalToday: number;
        avgLatency: number;
        successRate: number;
        lastUpdated: Date;
    }>;
    getHistory(req: any, days?: number): Promise<any>;
}