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

backend/node_modules/tailwindcss/resolveConfig.d.ts

@@ -1,31 +0,0 @@
-import { Config, ResolvableTo, ThemeConfig } from './types/config'
-import { DefaultTheme } from './types/generated/default-theme'
-import { DefaultColors } from './types/generated/colors'
-
-type ResolvedConfig<T extends Config> = Omit<T, 'theme'> & {
-  theme: MergeThemes<
-    UnwrapResolvables<Omit<T['theme'], 'extend'>>,
-    T['theme'] extends { extend: infer TExtend } ? UnwrapResolvables<TExtend> : {}
-  >
-}
-
-type UnwrapResolvables<T> = {
-  [K in keyof T]: T[K] extends ResolvableTo<infer R> ? R : T[K]
-}
-
-type ThemeConfigResolved = UnwrapResolvables<ThemeConfig>
-type DefaultThemeFull = DefaultTheme & { colors: DefaultColors }
-
-type MergeThemes<Overrides extends object, Extensions extends object> = {
-  [K in keyof ThemeConfigResolved | keyof Overrides]: (K extends keyof Overrides
-    ? Overrides[K]
-    : K extends keyof DefaultThemeFull
-    ? DefaultThemeFull[K]
-    : K extends keyof ThemeConfigResolved
-    ? ThemeConfigResolved[K]
-    : never) &
-    (K extends keyof Extensions ? Extensions[K] : {})
-}
-
-declare function resolveConfig<T extends Config>(config: T): ResolvedConfig<T>
-export = resolveConfig