import type { ToolResult } from "../../../types.js";
import type { ToolWatchdog } from "../tool-watchdog.js";
export interface ToolSupervisionPorts {
    readonly watchdog: ToolWatchdog;
    readonly parentSignal: AbortSignal;
    readonly toolSignal: AbortSignal;
    readonly isAbortError: (error: Error, signal: AbortSignal) => boolean;
    readonly liveBytes: () => number;
    readonly writeToolOutput: (chunk: string) => void;
    readonly updateJobStatus: (status: "exited" | "failed", exitCode: number | undefined) => void;
    readonly cleanup: () => void;
}
export type ToolSupervisionOutcome = {
    readonly kind: "settled";
    readonly result: ToolResult;
} | {
    readonly kind: "cancelled";
    readonly result: ToolResult;
};
export declare const superviseToolExecution: (ports: ToolSupervisionPorts, startWork: () => Promise<ToolResult>) => Promise<ToolSupervisionOutcome>;