import type { NormalizedDriverMessage } from "./messages.js";
import type { DriverEventEnvelope, RuntimeDriver, RuntimeDriverRunHandle, RuntimeDriverRunInput } from "../types.js";
interface ChildExitInfo {
    code: number | null;
    signal: NodeJS.Signals | null;
}
/**
 * Try to locate the SDK's underlying native child process on the query
 * object and listen for its death. Returns a detach callback. The SDK does
 * not promise this shape, so we probe defensively: if the field is missing
 * or doesn't quack like an EventEmitter, we log once and return a noop —
 * the run will still complete normally on the cooperative path. Issue #7.
 */
/** @internal exported for tests; not part of the public driver surface */
export declare function attachChildDeathWatchdog(request: unknown, graceMs: number, controller: AbortController, onDeath: (info: ChildExitInfo) => void | Promise<void>): () => void;
export declare function parseClaudeSdkMessage(message: unknown): NormalizedDriverMessage[];
export interface ClaudeSdkDriverOptions {
    /**
     * Grace window (ms) between observing the SDK's native child exit and
     * aborting the in-process iterator. Lets in-flight messages drain. Issue #7.
     */
    childDeathGraceMs?: number;
}
export declare class ClaudeSdkDriver implements RuntimeDriver {
    readonly name: "claude-sdk";
    private readonly childDeathGraceMs;
    constructor(options?: ClaudeSdkDriverOptions);
    run(input: RuntimeDriverRunInput, onEventRaw: (event: DriverEventEnvelope) => Promise<void> | void): RuntimeDriverRunHandle;
    private buildOptions;
}
export {};