interface TokenUsage {
    promptTokens: number;
    completionTokens: number;
    totalTokens: number;
}
interface CostEstimate {
    inputCost: number;
    outputCost: number;
    totalCost: number;
    currency: string;
    tokenUsage: TokenUsage;
    modelId: string;
    savingsVsDefault?: number;
    percentileCost?: number;
}
interface CostComparison {
    models: Map<string, CostEstimate>;
    cheapest: {
        modelId: string;
        cost: number;
    };
    mostExpensive: {
        modelId: string;
        cost: number;
    };
    averageCost: number;
}
interface UsageRecord {
    timestamp: Date;
    modelId: string;
    provider: string;
    tokenUsage: TokenUsage;
    cost: CostEstimate;
    requestId: string;
    success: boolean;
    errorCode?: string;
}
interface CostSummary {
    totalCost: number;
    totalRequests: number;
    totalTokens: number;
    averageCostPerRequest: number;
    costByModel: Map<string, number>;
    costByProvider: Map<string, number>;
    period: {
        start: Date;
        end: Date;
    };
}
interface BudgetAlert {
    type: 'warning' | 'critical' | 'exceeded';
    threshold: number;
    current: number;
    percentage: number;
    period: 'daily' | 'monthly' | 'total';
    timestamp: Date;
}

export type { BudgetAlert as B, CostSummary as C, TokenUsage as T, UsageRecord as U, CostEstimate as a, CostComparison as b };