import { type CheckpointMatch } from "./matcher.js";
import type { TokenOptimizerConfig } from "../util/env.js";
import type { TrendsStore } from "../storage/trends.js";
export declare function restoreCheckpoint(dataDir: string, userPrompt: string, currentSessionId: string, config: TokenOptimizerConfig, 
/** Optional: when supplied and the prompt shows resume-intent, the lean
 *  reconstruction path fires and savings are credited to trends.db. */
trendsStore?: TrendsStore, 
/** Working directory for same-project scoping. Comes from ctx.project.path
 *  or process.cwd() at call time (the caller decides). */
cwd?: string, 
/** Optional: scopes the scan to one project's session subdirectory. Appended
 *  last so existing call sites keep their argument order. */
projectSlug?: string): CheckpointMatch | null;
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