import { type McpTransport } from "./transport.js";
import type { JsonRpcNotification, JsonRpcRequest, JsonRpcResponse, McpRequestOptions, McpStdioConfig } from "./types.js";
export interface StdioTransportOptions {
    readonly requestTimeoutMs?: number | undefined;
    readonly closeGraceMs?: number | undefined;
    readonly baseEnv?: Readonly<Record<string, string | undefined>> | undefined;
}
export declare class StdioTransport implements McpTransport {
    private readonly config;
    private readonly options;
    readonly kind: "stdio";
    private child;
    private readonly decoder;
    private readonly pending;
    private nextId;
    private closed;
    private exited;
    private stderrTail;
    private processGroupId;
    private protocolVersion;
    private startPromise;
    constructor(config: McpStdioConfig, options?: StdioTransportOptions);
    sessionId(): string | undefined;
    setProtocolVersion(version: string): void;
    start(): Promise<void>;
    private buildEnv;
    private spawnChild;
    private onStdout;
    private onStderr;
    private failAll;
    request(message: JsonRpcRequest, options?: McpRequestOptions): Promise<JsonRpcResponse>;
    notify(message: JsonRpcNotification): Promise<void>;
    close(): Promise<void>;
    private waitForExit;
    private forceKill;
    private disposeChild;
    diagnostics(): string;
}
export declare function isTransportAbort(error: unknown): boolean;