import type { VersionDiffEntry, VersionDiffOptions } from "../../types.js";
/**
 * Compare this version's visible tree to `other`'s visible tree at the same
 * workspace, and return the path-level differences.
 *
 * `before` is this version's entry; `after` is `other`'s. Reading "what
 * changes if current became `other`?" gives the natural interpretation.
 * Equality is over `node_type`, `blob_hash`, `mode`, and `symlink_target`;
 * `mtime`, `size_bytes`, and `created_at` are not part of the comparison.
 *
 * If `opts.path` is provided, the comparison is scoped to that user path
 * and its descendants. Tombstones in either version present as `null` for
 * that side.
 */
export declare const diff: <TFs>(ctx: import("./context.js").FilesystemOpsContext<TFs>, other: string, opts?: VersionDiffOptions) => Promise<VersionDiffEntry[]>;
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