export interface UsageQuota {
    daily?: number;
    monthly?: number;
    total?: number;
}
export interface UsageRecord {
    provider: string;
    model: string;
    promptTokens: number;
    completionTokens: number;
    totalTokens: number;
    costUsd?: number;
    timestamp: string;
    accountId?: string;
}
export interface AccountUsageSummary {
    provider: string;
    accountId: string;
    dailyTokens: number;
    monthlyTokens: number;
    totalTokens: number;
    dailyCostUsd: number;
    monthlyCostUsd: number;
    totalCostUsd: number;
    lastUpdated: string;
    quota?: UsageQuota;
    alerts: string[];
}
export interface UsageAlert {
    accountId: string;
    provider: string;
    level: 'warning' | 'critical';
    message: string;
    timestamp: string;
}
declare const ALERT_THRESHOLDS: {
    warning: number;
    critical: number;
};
export declare class AccountUsageTracker {
    private records;
    private quotas;
    private alerts;
    recordUsage(record: UsageRecord): void;
    setQuota(provider: string, accountId: string, quota: UsageQuota): void;
    getUsageSummary(provider: string, accountId?: string): AccountUsageSummary;
    isWithinBudget(provider: string, accountId?: string): boolean;
    getUsageAlerts(provider?: string): UsageAlert[];
    clearAlerts(provider: string, accountId?: string): void;
    getDailyUsage(provider: string, accountId?: string, daysBack?: number): Array<{
        date: string;
        tokens: number;
        cost: number;
    }>;
    reset(provider?: string, accountId?: string): void;
    private checkThresholds;
}
export declare function estimateCostUsd(provider: string, model: string, promptTokens: number, completionTokens: number): number;
export { ALERT_THRESHOLDS };
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