import type { SqlClient } from "../../types.js";
/**
 * Hard-delete the version root at `internalPath` and every artifact it owns:
 * all fs_versions rows for that root, their version_ancestors closure, all
 * fs_entries written under those versions, and any fs_blobs that become
 * unreferenced. Then drop the fs_version_roots row itself.
 *
 * Caller is responsible for tombstoning the path in the outer/parent
 * namespace if visibility there also needs to be cleared — this op only
 * tears down the version root and never touches the parent fs's version.
 *
 * Returns true if a version root was found and removed, false if none
 * existed at the path.
 */
export declare const removeVersionRoot: <TFs>(ctx: import("./context.js").FilesystemOpsContext<TFs>, tx: SqlClient, internalPath: string) => Promise<boolean>;
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