import type { Client } from "@libsql/client";
export interface UndoDeps {
    opLogDb: Client;
    now?: () => string;
    deleteFigment?: (vaultPath: string, relPath: string) => Promise<boolean>;
    knownVaultRoots?: () => Promise<string[]>;
}
export interface UndoOutcome {
    undone: boolean;
    message: string;
    kind?: string;
}
export declare function previewUndo(deps: Pick<UndoDeps, "opLogDb">): Promise<UndoOutcome>;
export declare function undoLast(deps: UndoDeps): Promise<UndoOutcome>;
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