/**
 * Process-wide SubagentPool singleton.
 *
 * The subagent tool and the `/subagent` command both delegate through one pool
 * so concurrency limits, lifeguard monitoring, and token budgets are shared
 * across every delegation in the session. Created lazily on first use and torn
 * down on process exit.
 */
import type { Api, Model } from "@kolisachint/hoocode-ai";
import { SubagentPool } from "./subagent-pool.js";
/**
 * Get the shared pool for a given working directory, creating it on first use.
 *
 * `availableModels` (the caller's `ModelRegistry.getAvailable()`) is snapshotted
 * on first creation and used to derive default model-category mappings for any
 * tier the user has not explicitly configured. Later calls reuse the existing
 * pool, so pass it on the first dispatch of a session.
 */
export declare function getSubagentPool(cwd: string, availableModels?: readonly Model<Api>[]): SubagentPool;
/**
 * Return the shared pool if one already exists, without creating it. Use this for
 * best-effort signaling (e.g. reporting external load) that must not spin up a pool
 * and its lifeguard just because the signal fired before any subagent was dispatched.
 */
export declare function peekSubagentPool(): SubagentPool | undefined;
/**
 * Update the skill paths forwarded to every subagent.
 * Call this after the resource loader reloads or extends its skill set.
 * If the pool has already been created, updates it immediately.
 * If not, the paths will be passed in when the pool is first created.
 */
export declare function updateSubagentSkillPaths(paths: string[]): void;
/** Dispose and clear the shared pool. Intended for test isolation and shutdown. */
export declare function disposeSubagentPool(): void;
/**
 * Inject a pool instance for tests, bypassing real child-process spawning.
 * Pass `undefined` to clear the override.
 */
export declare function setSubagentPoolForTesting(testPool: SubagentPool | undefined): void;
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