diff --git a/packages/core/src/index.ts b/packages/core/src/index.ts
index ef8d1c435..9ddfd3707 100644
--- a/packages/core/src/index.ts
+++ b/packages/core/src/index.ts
@@ -12,7 +12,8 @@ export { default as Options, optionsWithDefaults } from './options';
 export { default as WaitForTrees, OutputPaths } from './wait-for-trees';
 export { compile as jsHandlebarsCompile } from './js-handlebars';
 export { todo, unsupported, warn, debug, expectWarning, throwOnWarnings } from './messages';
-export { Resolver, ModuleRequest, Resolution } from './module-resolver';
+export { Resolver } from './module-resolver';
+export type { ModuleRequest, Resolution } from './module-request';
 export type { Options as ResolverOptions } from './module-resolver-options';
 export { ResolverLoader } from './resolver-loader';
 export { virtualContent } from './virtual-content';
diff --git a/packages/core/src/module-request.ts b/packages/core/src/module-request.ts
new file mode 100644
index 000000000..a40192355
--- /dev/null
+++ b/packages/core/src/module-request.ts
@@ -0,0 +1,33 @@
+// This is generic because different build systems have different ways of
+// representing a found module, and we just pass those values through.
+export type Resolution<T = unknown, E = unknown> =
+  | { type: 'found'; filename: string; isVirtual: boolean; result: T }
+
+  // used for requests that are special and don't represent real files that
+  // embroider can possibly do anything custom with.
+  //
+  // the motivating use case for introducing this is Vite's depscan which marks
+  // almost everything as "external" as a way to tell esbuild to stop traversing
+  // once it has been seen the first time.
+  | { type: 'ignored'; result: T }
+
+  // the important thing about this Resolution is that embroider should do its
+  // fallback behaviors here.
+  | { type: 'not_found'; err: E };
+
+export interface ModuleRequest<Res extends Resolution = Resolution> {
+  readonly specifier: string;
+  readonly fromFile: string;
+  readonly isVirtual: boolean;
+  readonly meta: Record<string, unknown> | undefined;
+  readonly debugType: string;
+  readonly isNotFound: boolean;
+  readonly resolvedTo: Res | undefined;
+  alias(newSpecifier: string): this;
+  rehome(newFromFile: string): this;
+  virtualize(virtualFilename: string): this;
+  withMeta(meta: Record<string, any> | undefined): this;
+  notFound(): this;
+  defaultResolve(): Promise<Res>;
+  resolveTo(resolution: Res): this;
+}
diff --git a/packages/core/src/module-resolver.ts b/packages/core/src/module-resolver.ts
index 534c1e19a..6845a3e49 100644
--- a/packages/core/src/module-resolver.ts
+++ b/packages/core/src/module-resolver.ts
@@ -21,6 +21,7 @@ import { nodeResolve } from './node-resolve';
 import { decodePublicRouteEntrypoint, encodeRouteEntrypoint } from './virtual-route-entrypoint';
 import type { Options, EngineConfig } from './module-resolver-options';
 import { satisfies } from 'semver';
+import type { ModuleRequest, Resolution } from './module-request';
 
 const debug = makeDebug('embroider:resolver');
 
@@ -110,40 +111,6 @@ type MergeMap = Map</* engine root dir */ string, Map</* withinEngineModuleName
 
 const compatPattern = /@embroider\/virtual\/(?<type>[^\/]+)\/(?<rest>.*)/;
 
-export interface ModuleRequest<Res extends Resolution = Resolution> {
-  readonly specifier: string;
-  readonly fromFile: string;
-  readonly isVirtual: boolean;
-  readonly meta: Record<string, unknown> | undefined;
-  readonly debugType: string;
-  readonly isNotFound: boolean;
-  readonly resolvedTo: Res | undefined;
-  alias(newSpecifier: string): this;
-  rehome(newFromFile: string): this;
-  virtualize(virtualFilename: string): this;
-  withMeta(meta: Record<string, any> | undefined): this;
-  notFound(): this;
-  defaultResolve(): Promise<Res>;
-  resolveTo(resolution: Res): this;
-}
-
-// This is generic because different build systems have different ways of
-// representing a found module, and we just pass those values through.
-export type Resolution<T = unknown, E = unknown> =
-  | { type: 'found'; filename: string; isVirtual: boolean; result: T }
-
-  // used for requests that are special and don't represent real files that
-  // embroider can possibly do anything custom with.
-  //
-  // the motivating use case for introducing this is Vite's depscan which marks
-  // almost everything as "external" as a way to tell esbuild to stop traversing
-  // once it has been seen the first time.
-  | { type: 'ignored'; result: T }
-
-  // the important thing about this Resolution is that embroider should do its
-  // fallback behaviors here.
-  | { type: 'not_found'; err: E };
-
 export class Resolver {
   constructor(readonly options: Options) {}
 
diff --git a/packages/core/src/node-resolve.ts b/packages/core/src/node-resolve.ts
index 8d6590cf0..427828942 100644
--- a/packages/core/src/node-resolve.ts
+++ b/packages/core/src/node-resolve.ts
@@ -4,7 +4,8 @@ import { explicitRelative } from '@embroider/shared-internals';
 import assertNever from 'assert-never';
 
 // these would be circular, but they're type-only so it's fine
-import type { ModuleRequest, Resolution, Resolver } from './module-resolver';
+import type { ModuleRequest, Resolution } from './module-request';
+import type { Resolver } from './module-resolver';
 
 export class NodeModuleRequest implements ModuleRequest {
   constructor(