import type { Transport } from "@modelcontextprotocol/sdk/shared/transport.js";
import { type JSONRPCMessage } from "@modelcontextprotocol/sdk/types.js";
import type { SandboxTerminalHandle } from "../../sandbox/index.js";
/** MCP transport over one long-lived newline-delimited stdio process in a plugin container. */
export declare class NdjsonStreamTransport implements Transport {
    private readonly handle;
    private readonly onStderr?;
    onclose?: () => void;
    onerror?: (error: Error) => void;
    onmessage?: (message: JSONRPCMessage) => void;
    private buffer;
    private started;
    private closed;
    constructor(handle: SandboxTerminalHandle, onStderr?: ((chunk: string) => void) | undefined);
    start(): Promise<void>;
    send(message: JSONRPCMessage): Promise<void>;
    close(): Promise<void>;
    private read;
}
//# sourceMappingURL=ndjsonStreamTransport.d.ts.map