It appears that the repository has undergone several changes and renamings:

backend/node_modules/jiti/dist/plugins/babel-plugin-transform-import-meta.d.ts

@@ -1,4 +0,0 @@
-import type { PluginObj } from "@babel/core";
-export declare function TransformImportMetaPlugin(_ctx: any, opts: {
-    filename?: string;
-}): PluginObj;

backend/node_modules/jiti/dist/plugins/import-meta-env.d.ts

@@ -1,5 +0,0 @@
-/**
- * Forked from https://github.com/iendeavor/import-meta-env/tree/main/packages/babel 0.4.2 (MIT License - Copyright (c) 2021 Ernest)
- */
-import type { PluginObj } from "@babel/core";
-export declare function importMetaEnvPlugin({ template, types }: any): PluginObj;