import { Buffer } from 'node:buffer';
export declare const NATIVE_BRIDGE_PROTOCOL_VERSION = 2;
export declare const NATIVE_BRIDGE_PROTOCOL = "device-daemon/v2";
export declare const NATIVE_BRIDGE_MAX_FRAME_BYTES: number;
export declare const NATIVE_BRIDGE_MAX_INBOUND_FRAMES = 128;
export declare const NATIVE_BRIDGE_MAX_OUTBOUND_FRAMES = 128;
export declare const NATIVE_BRIDGE_MAX_OUTBOUND_FRAMES_PER_RUN = 32;
export declare const NATIVE_BRIDGE_MAX_RETAINED_RUN_KEYS = 128;
export declare const NATIVE_BRIDGE_KINDS: readonly ["hello", "hello_ack", "run", "cancel", "shutdown", "ping", "stream", "complete", "failed", "capabilities", "diagnostic"];
export type NativeBridgeKind = (typeof NATIVE_BRIDGE_KINDS)[number];
export interface NativeBridgeFrame {
    version: number;
    kind: NativeBridgeKind;
    request_id: string;
    run_id?: number;
    sequence?: number;
    payload: Record<string, unknown>;
}
export declare class NativeBridgeProtocolError extends Error {
    constructor(message: string);
}
export declare function encodeNativeBridgeFrame(frame: NativeBridgeFrame): Buffer;
export declare function decodeNativeBridgeBody(body: Buffer): NativeBridgeFrame;
export declare class NativeBridgeFrameDecoder {
    private buffered;
    append(chunk: Buffer): NativeBridgeFrame[];
    finish(): void;
    get bufferedByteLength(): number;
}
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