import { EventEmitter } from 'node:events';
import type { SubagentHandle, SubagentResult } from './subagent.js';
import type { TraceSink } from './trace/index.js';
import type { BackgroundJob, BackgroundJobProvenance } from './background-registry.types.js';
export { BackgroundJobCapError } from './background-registry.cap.js';
export { MAX_TRANSCRIPT_TAIL_BYTES } from './background-registry.transcript.js';
export type { BackgroundJob, BackgroundJobProvenance, BackgroundJobStatus } from './background-registry.types.js';
export interface BackgroundRegistryOptions {
    traceWriter?: TraceSink | undefined;
    maxConcurrentJobs?: number;
}
export interface RegisterArgs {
    handle: SubagentHandle;
    prompt: string;
    model: string;
    provenance?: BackgroundJobProvenance;
    parentSessionId?: string | undefined;
    onCleanup?: () => Promise<void>;
    onSettled?: () => void;
}
export interface BackgroundRegistryEvents {
    started: [job: BackgroundJob];
    settled: [job: BackgroundJob];
    joined: [job: BackgroundJob];
}
export declare class BackgroundAgentRegistry extends EventEmitter<BackgroundRegistryEvents> {
    private readonly jobs;
    private counter;
    private traceWriter;
    private readonly maxConcurrentJobs;
    constructor(options?: BackgroundRegistryOptions);
    setTraceWriter(writer: TraceSink | undefined): void;
    register(args: RegisterArgs): BackgroundJob;
    adoptRunning(args: RegisterArgs & {
        runPromise: Promise<SubagentResult>;
    }): BackgroundJob;
    private createJobEntry;
    get(jobId: string): BackgroundJob | undefined;
    list(): readonly BackgroundJob[];
    join(jobId: string): Promise<SubagentResult>;
    markDelivered(jobId: string): void;
    cancelJob(jobId: string): Promise<boolean>;
    cancelModelJob(jobId: string, reason: string): Promise<boolean>;
    cancelAll(): Promise<void>;
    appendTranscript(jobId: string, chunk: string): void;
    getTranscript(jobId: string): string | undefined;
    getHandle(jobId: string): SubagentHandle | undefined;
    getTouchedFiles(jobId: string): readonly string[] | undefined;
    private nextJobId;
    private markTerminal;
    private statusFromResult;
    private snapshot;
}