import type { ZodType } from 'zod';
import type { ContentBlockParam } from '@anthropic-ai/sdk/resources';
import { AbortGraph } from '../abort-graph.js';
import type { HookRegistry } from '../hooks.js';
import type { IAgentSession, Message } from '../types.js';
import type { OutputEvent, SubagentProgressSink, SubagentProgressMeta } from '../types/session-types.js';
import type { TraceSink } from '../trace/index.js';
import { PauseAwareCeiling } from './pause-ceiling.js';
import type { WorkspaceEntry, WorkspaceStore } from '../workspace/workspace-store.js';
import { type SubagentResult, type SubagentStatus, type SubagentTrace } from './result.js';
export type { SubagentProgressMeta };
export interface SubagentHandle<T = unknown> {
    readonly id: string;
    readonly status: SubagentStatus;
    readonly session: IAgentSession;
    run(prompt: string | ContentBlockParam[]): Promise<Message>;
    runToResult(prompt: string | ContentBlockParam[]): Promise<SubagentResult<T>>;
    runInBackground(prompt: string, onResult?: (result: SubagentResult<T>) => void, onProgress?: (event: OutputEvent) => void): void;
    cancel(): Promise<void>;
    teardown(options?: {
        deferInjectContextToCaller?: boolean;
    }): Promise<void>;
    getLastStopInjectContext(): string | undefined;
    readonly durationMs: number | undefined;
    sendMessage(text: string): void;
    steer(text: string): void;
}
export declare class SubagentHandleImpl<T> implements SubagentHandle<T> {
    readonly id: string;
    readonly session: IAgentSession;
    readonly _controller: AbortController;
    private readonly abortGraph;
    readonly _outputSchema: ZodType<T> | undefined;
    private readonly timeoutMs;
    readonly _hookRegistry: HookRegistry | undefined;
    readonly _onTerminal: () => void;
    readonly _parentInputStreamRef?: ReturnType<IAgentSession["getInputStreamRef"]> | undefined;
    readonly _parentAbortSignal?: AbortSignal | undefined;
    readonly _agentType?: string | undefined;
    readonly _traceWriter?: TraceSink | undefined;
    private readonly onSubagentSucceeded?;
    readonly _idleTimeoutMs: number;
    _currentStatus: SubagentStatus;
    private inFlight;
    _lastMessage: string | undefined;
    _lastDurationMs: number | undefined;
    private latestTerminalStatus;
    _stopDispatched: boolean;
    _lastStopInjectContext: string | undefined;
    readonly _progressSink: SubagentProgressSink | undefined;
    _parentId: string | undefined;
    _currentTrace: SubagentTrace;
    _lastStreamedContent: string;
    _pauseCeiling: PauseAwareCeiling | undefined;
    _lastStopReason: string | undefined;
    _logWriter?: {
        write(event: OutputEvent): void;
        close(): Promise<void>;
    };
    constructor(id: string, session: IAgentSession, _controller: AbortController, abortGraph: AbortGraph, _outputSchema: ZodType<T> | undefined, timeoutMs: number, _hookRegistry: HookRegistry | undefined, _onTerminal: () => void, _parentInputStreamRef?: ReturnType<IAgentSession["getInputStreamRef"]> | undefined, _parentAbortSignal?: AbortSignal | undefined, _agentType?: string | undefined, progressSink?: SubagentProgressSink, parentId?: string, _traceWriter?: TraceSink | undefined, onSubagentSucceeded?: ((usage: SubagentTrace["usage"], costUsd: number | undefined) => void) | undefined, _idleTimeoutMs?: number);
    get status(): SubagentStatus;
    get durationMs(): number | undefined;
    run(prompt: string | ContentBlockParam[], sinkOverride?: SubagentProgressSink): Promise<Message>;
    runToResult(prompt: string | ContentBlockParam[], sinkOverride?: SubagentProgressSink): Promise<SubagentResult<T>>;
    runInBackground(prompt: string, onResult?: (result: SubagentResult<T>) => void, onProgress?: (event: OutputEvent) => void): void;
    cancel(): Promise<void>;
    teardown(options?: {
        deferInjectContextToCaller?: boolean;
    }): Promise<void>;
    getLastStopInjectContext(): string | undefined;
    readonly _pendingUserMessages: string[];
    private _drainingMessages;
    sendMessage(text: string): void;
    readonly _steeringMessages: string[];
    readonly _progressEvents: import('../tools/subagent/emit-progress.js').ProgressEventPayload[];
    readonly _pendingWorkspaceEntries: WorkspaceEntry[];
    _workspaceDroppedSinceDrain: number;
    _workspaceStore: WorkspaceStore | undefined;
    steer(text: string): void;
    emitProgress(payload: import('../tools/subagent/emit-progress.js').ProgressEventPayload): void;
    private _drainWorkspaceDeliveries;
    get _beforeNextRound(): () => string | undefined;
}