export interface CallSite {
    file: string;
    line: number;
    sdk: string;
    tokensPerCall: number;
    /** The representative model used to calibrate/price this site — see
     * patterns.ts SDK_REPRESENTATIVE_MODEL. Not the actual runtime model
     * (the scanner can't know that from source alone). */
    estimatedModel: string;
}
export declare function scan(dir: string): {
    sites: CallSite[];
    filesScanned: number;
    timeMs: number;
};