import type { WriteStream } from "node:fs";
export declare const DEFAULT_MAX_MODEL_BYTES = 12000;
export declare const DEFAULT_MAX_CAPTURE_BYTES: number;
export declare function chooseStdio(command: string, preference: boolean | "auto" | undefined): ["ignore" | "inherit", "pipe", "pipe"];
export declare function takeOverCookedStdin(): () => void;
export declare function openArtifact(command: string, override?: string): Promise<{
    path: string;
    stream: WriteStream;
} | undefined>;
export declare class OutputDecoder {
    private readonly decoder;
    private sniffed;
    private nonPrintable;
    private binaryDetected;
    decode(chunk: Buffer): {
        text: string;
        bytes: number;
    };
    end(): string;
    get isBinary(): boolean;
    private sniff;
}
export declare class RingBuffer {
    private readonly capacity;
    private chunks;
    private bytes;
    constructor(capacity: number);
    push(text: string): void;
    toString(): string;
    size(): number;
}