/**
 * Accumulates Buffer chunks up to a byte cap, silently dropping (or
 * partially truncating) anything beyond it instead of growing unbounded.
 * Shared by global-monitor.ts and RequestMonitoringService.ts to cap raw
 * response buffering independent of decompression (see issue #112).
 */
declare class CappedBuffer {
    private readonly maxBytes;
    private readonly onTruncate?;
    private readonly chunks;
    private bytes;
    private truncated;
    constructor(maxBytes: number, onTruncate?: (() => void) | undefined);
    push(chunk: Buffer): void;
    concat(): Buffer;
    private markTruncated;
}

export { CappedBuffer };