/**
 * `/tmux-pilot:collect-subagent-garbage` — manually reap finished (or
 * dead-but-"running") subagents.
 *
 * Tears down each reapable subagent's tmux window/session, TUI process, config
 * dir, temp files, and ephemeral worktree via `teardownSubagent`. Tracker
 * records (`.pif/tasks`) are kept as history. Useful when
 * `subagent-execution.cleanup-enabled: false` and processes have piled up, or as a safety
 * net for strays that escaped the normal cleanup.
 *
 * Also sweeps ORPHANED per-parent tmux servers (ADR 0003 / design D8): every
 * sidecar manifest in the socket base dir is checked; a server hosting no
 * live `running` record's window and not belonging to the current parent is
 * killed and its socket + manifest files removed. Stale files whose server
 * already exited (`exit-empty`) are cleaned the same way.
 */
import type { HarnessRegistry } from "#src/harness/registry";
import { type TmuxManager } from "#src/tmux-manager";
import type { SubagentTracker } from "#src/tracker";
export type CollectGarbageNotify = (message: string, level?: "info" | "warn" | "error") => void;
export declare function createCollectGarbageCommandHandler(tracker: SubagentTracker, tmux: TmuxManager, harnessRegistry?: HarnessRegistry): (notify: CollectGarbageNotify) => Promise<void>;
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