import { ChildProcessWithoutNullStreams } from 'node:child_process';
import { EventEmitter } from 'node:events';
import type { BridgeEvent } from './protocol.js';
export interface BridgeLaunchOptions {
    executableOverride?: string;
    bridgeArgsOverride?: string[];
}
export interface BridgeProcessOptions extends BridgeLaunchOptions {
    proxyMode?: boolean;
    explicitConfigMode?: boolean;
    env?: NodeJS.ProcessEnv;
    cwd?: string;
    startupTimeoutMs?: number;
    bridgeArgs?: string[];
}
export type LaunchOptions = BridgeProcessOptions;
export declare function sanitizedEnv(opts?: BridgeProcessOptions): NodeJS.ProcessEnv;
export declare class VillaniBridgeProcess extends EventEmitter {
    proc: ChildProcessWithoutNullStreams;
    ready: boolean;
    stderr: string;
    buffer: string;
    startupTimeoutMs: number;
    readonly shell = false;
    finals: Map<string, BridgeEvent>;
    private exitInfo?;
    constructor(executable: string, opts?: BridgeProcessOptions);
    getRecentStderr(): string;
    onout(s: string): void;
    send(c: unknown): boolean;
    abort(runId: string): void;
    respondToApproval(runId: string, requestId: string, approved: boolean): void;
    kill(): void;
    private timeout;
    waitForEvent(type: string, timeoutMs?: number, signal?: AbortSignal): Promise<BridgeEvent | undefined>;
    waitForAnyEvent(types: string[], runId?: string, timeoutMs?: number, signal?: AbortSignal): Promise<BridgeEvent | undefined>;
    waitUntilReady(timeoutMs?: number, signal?: AbortSignal): Promise<void>;
    waitForFinalEvent(runId: string, timeoutMs?: number, signal?: AbortSignal): Promise<BridgeEvent>;
    waitForExit(timeoutMs?: number, signal?: AbortSignal): Promise<number | null | undefined>;
}