import "./core/compat.js";
import type { ExtensionAPI } from "@oh-my-pi/pi-coding-agent";
import type { CwdGitRunnerFactory, GitRepository, GitRunner } from "./core/types.js";
export type SessionOnlyReason = "git_unavailable" | "repository_unresolvable" | "private_repository_unavailable";
export type FileBackend = {
    kind: "git";
    repository: GitRepository;
    git: GitRunner;
} | {
    kind: "session";
    reason: SessionOnlyReason;
};
export type OmpUndoRedoDependencies = {
    /** Overrides how git runners are created, letting hosts and tests inject
     *  behavior (e.g. slowing captures to exercise the bounded handler path).
     *  Receives the canonical worktree and an optional fixed env (used for
     *  private per-workspace repositories). */
    gitRunnerFactory?: CwdGitRunnerFactory;
    /** How long the before_agent_start / agent_end / undo / redo handlers wait
     *  for an in-flight checkpoint capture before returning without it. The
     *  capture keeps running and the turn is finalized when it settles. */
    captureDeadlineMs?: number;
};
export declare const DEFAULT_CAPTURE_DEADLINE_MS = 3000;
/** Per-controller private-repo state: a ready entry carries the repository and
 *  the env runner (GIT_DIR fixed), with `ready` resolving true once init
 *  completes; a `failure` entry records a failed init so session fallback is
 *  reused without retrying. Keyed by canonical cwd (private) or worktree
 *  (git mode). */
type ActivePrivateRepoEntry = {
    repository?: GitRepository;
    git?: GitRunner;
    ready: Promise<boolean>;
};
export type PrivateRepoEntry = ActivePrivateRepoEntry | {
    failure: true;
};
export declare function resolveBackend(cwd: string, privateRepositories?: Map<string, PrivateRepoEntry>, gitRunnerFactory?: CwdGitRunnerFactory): Promise<FileBackend>;
/** One-shot removal of the pre-v1.5.1 store layout, whose dirs hold user file
 *  content and are never reclaimed by anything else. Kept while the pre-1.5.1
 *  tail (v1.5.1 shipped 2026-08-21) can still upgrade straight to 1.6.x.
 *  ponytail: delete this, LEGACY_BLOB_DIRS, LEGACY_BLOB_QUIET_MS,
 *  cleanLegacyGitIndexes, their boot wiring, and test/legacy-blob-purge.test.ts
 *  at v1.7.0. removeDirWithRetry/EVICTION_RETRY_DELAY_MS stay: eviction uses them. */
export declare function purgeLegacyBlobStore(): Promise<void>;
export default function ompUndoRedo(pi: ExtensionAPI, deps?: OmpUndoRedoDependencies): void;
export {};