export interface CheckpointSummary {
    seq: number;
    label: string;
    ts: number;
    fileCount: number;
    messageCount: number;
}
export interface RewindResult {
    found: boolean;
    restored: string[];
    skipped: string[];
    /**
     * The conversation message count recorded when this checkpoint was opened
     * (i.e. the number of messages BEFORE the prompt that opened it). The TUI
     * passes this to agent.rewindConversation so /rewind also discards the
     * prompt's turn + everything after it from the LLM context (grok-style
     * conversation rewind), not only restoring files. Undefined when the
     * checkpoint predates message-count tracking.
     */
    messageCount?: number;
}
export declare class FileCheckpointStore {
    private readonly dir;
    private checkpoints;
    private seq;
    constructor(opts: {
        runtimeDir: string;
        sessionKey: string;
    });
    open(label: string, messageCount?: number): void;
    trackBeforeWrite(absPath: string): void;
    noteAfterWrite(absPath: string): void;
    hasCheckpoints(): boolean;
    list(): CheckpointSummary[];
    rewindTo(seq: number): RewindResult;
    private isSafeToRestore;
}
export declare function checkpointTargetPaths(toolName: string, input: Record<string, unknown>, workspaceDir: string, parsePatchPaths: (patch: string) => string[]): string[];
//# sourceMappingURL=file-checkpoint.d.ts.map