import type { TraceSink } from '../trace/index.js';
import type { AnthropicToolDef, ToolCall, ToolResult } from './types.js';
import { type AgentExecutionMode } from './subagent/input-parse.js';
import { buildSubagentsLite } from './subagent-executor.lite-snapshot.js';
import type { SubagentExecutorContext, SubagentControl } from './subagent-executor/types.js';
import type { QueuedNoteClaim, PromotedSubagentInfo } from './subagent-executor/types.js';
export { DEFAULT_MAX_NESTING_DEPTH, type ChildProviderFactoryArgs } from './nesting.js';
export type { AgentExecutionMode };
export type { SubagentExecutorContext, SubagentControl } from './subagent-executor/types.js';
export type { PromotedSubagentInfo } from './subagent/foreground-promotion.js';
export declare class SubagentExecutor implements SubagentControl {
    private readonly ctx;
    private currentCwd;
    private isolationCounter;
    constructor(ctx: SubagentExecutorContext);
    setCwd(cwd: string): void;
    setTraceWriter(writer: TraceSink | undefined): void;
    describeAgentTool(): AnthropicToolDef;
    private readonly promotionTriggers;
    private readonly activeForegroundHandles;
    private currentWaveId;
    private currentWaveCallIds;
    notifyWaveStart(calls: ReadonlyArray<ToolCall>, sessionId: string, traceLabel: string | null): void;
    notifyWaveEnd(): void;
    private updateCurrentWaveUnit;
    supportsBackgroundJobs(): boolean;
    hasPromotableForeground(): boolean;
    cancelBackgroundJob(call: ToolCall): Promise<ToolResult>;
    sendMessageToAgent(call: ToolCall): Promise<ToolResult>;
    hasActiveForeground(): boolean;
    private cancelGeneration;
    cancelActiveForeground(): Promise<number>;
    promoteActiveForeground(queuedNote?: QueuedNoteClaim): Promise<PromotedSubagentInfo[]>;
    getSubagentsLite(): ReturnType<typeof buildSubagentsLite>;
    execute(call: ToolCall): Promise<ToolResult>;
    private executeOnce;
}