export interface ReportOptions {
    key?: string;
    tokens_estimated: number;
    tokens_saved: number;
    model?: string;
    action: 'prevented' | 'routed' | 'pass';
    cost_saved_usd: number;
}
export interface ReportResult {
    transaction_id: string;
    fee_usd: number;
    balance_remaining_usd: number;
    timestamp: string;
}
export declare function report(opts: ReportOptions): Promise<ReportResult>;