import { type SupervisorServiceStatusRecord, type SupervisorStatus } from "./contract.js";
export declare const SUPERVISOR_DEFAULT_INTERVAL_MS = 2000;
export declare const SUPERVISOR_DEFAULT_IDLE_EXIT_MS: number;
export interface RunSupervisorInput {
    coordRoot: string;
    intervalMs?: number;
    idleExitMs?: number;
    keepAlive?: boolean;
    maxCycles?: number;
    now?: () => Date;
    wait?: (milliseconds: number) => Promise<void>;
}
export type EnsureSupervisorResult = {
    state: "running" | "started";
    status: SupervisorStatus;
} | {
    state: "unavailable";
    status: SupervisorStatus;
    error: string;
};
export declare function spawnSupervisor(coordRootRaw: string, options?: {
    intervalMs?: number;
    idleExitMs?: number;
    keepAlive?: boolean;
}): Promise<SupervisorStatus>;
export declare function ensureSupervisorRunning(coordRoot: string): Promise<EnsureSupervisorResult>;
export declare function requestSupervisorStop(coordRootRaw: string): SupervisorStatus;
export declare function runSupervisor(input: RunSupervisorInput): Promise<SupervisorServiceStatusRecord>;
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