export interface InterceptEvent {
    endpoint: string;
    provider: string;
    model: string;
    originalModel: string;
    tokens: number;
    cost: number;
    originalCost: number;
    salvaged: number;
    fits: boolean;
    routed: boolean;
    timestamp: string;
}
export declare function normalizeModel(raw: string): string;
export declare function onIntercept(handler: (event: InterceptEvent) => void): void;
export declare function patchFetch(): void;