/**
 * Leaper Agent – Delegate Tool
 *
 * Subagent architecture for spawning and managing child agents.
 * Translates Python tools/delegate_tool.py.
 */
export interface SubAgentConfig {
    task: string;
    maxRounds?: number;
    timeout?: number;
    toolset?: string[];
    systemPrompt?: string;
    /** Internal: depth counter to enforce MAX_DEPTH */
    _depth?: number;
}
export type SubAgentStatus = 'pending' | 'running' | 'completed' | 'failed' | 'interrupted';
export interface SubAgentRecord {
    id: string;
    task: string;
    status: SubAgentStatus;
    output: string;
    startedAt: Date;
    completedAt?: Date;
    error?: string;
}
export declare class DelegateManager {
    private activeAgents;
    private maxConcurrent;
    private spawnPaused;
    private queue;
    /**
     * Injectable executor: given a task string and config, returns the output
     * string. If not set, spawned agents fail immediately.
     */
    executor?: (task: string, config: SubAgentConfig) => Promise<string>;
    constructor(maxConcurrent?: number);
    /**
     * Spawn a new subagent for a task.
     * Returns the SubAgentRecord once spawned (runs in background).
     */
    spawnSubAgent(config: SubAgentConfig): Promise<SubAgentRecord>;
    /** List all active and recent subagents. */
    listSubAgents(): SubAgentRecord[];
    /** Interrupt a running subagent. Returns true if found and interrupted. */
    interruptSubAgent(id: string): boolean;
    /** Pause all new spawns. */
    setSpawnPaused(paused: boolean): void;
    isSpawnPaused(): boolean;
    /**
     * Wait for all running subagents to complete (with optional timeout).
     * Returns the final records.
     */
    waitAll(timeoutMs?: number): Promise<SubAgentRecord[]>;
    /** Get a specific record by id. */
    getRecord(id: string): SubAgentRecord | undefined;
    private doSpawn;
    private drainQueue;
    private runningCount;
    private makeRecord;
    private registerAgent;
    private unregisterAgent;
}
export declare const delegateManager: DelegateManager;
export declare function spawnSubAgent(config: SubAgentConfig): Promise<SubAgentRecord>;
export declare function listSubAgents(): SubAgentRecord[];
export declare function interruptSubAgent(id: string): boolean;
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