import type { LocalIpcEndpointKind } from "./platform/ipc.js";
export declare const PROCESS_STATE_SCHEMA_VERSION = 1;
export interface EngineProcessState {
    pid: number;
    instanceId: string;
    startedAt: string;
    platformStartMarker?: string;
    endpoint: string;
    endpointKind: LocalIpcEndpointKind;
    controlToken: string;
    version: string;
    runtimeMode?: string;
    runtimePath: string;
    nodePath: string;
    logFile?: string;
    sourceDirectory?: string;
    logLevel?: string;
    debugAgentStdout?: string;
}
export interface NiuBotProcessState {
    schemaVersion: typeof PROCESS_STATE_SCHEMA_VERSION;
    processes: {
        engine: EngineProcessState;
    };
}
export declare function getProcessStatePath(niubotHome: string): string;
export declare function readProcessState(niubotHome: string): NiuBotProcessState | undefined;
export declare function writeProcessState(niubotHome: string, engine: EngineProcessState): void;
export declare function clearProcessState(niubotHome: string, expectedInstanceId?: string): boolean;