diff --git a/packages/playwright-ct-core/types/index.d.ts b/packages/playwright-ct-core/types/index.d.ts
new file mode 100644
index 00000000000000..aff781664a20b4
--- /dev/null
+++ b/packages/playwright-ct-core/types/index.d.ts
@@ -0,0 +1,30 @@
+import type { InlineConfig } from 'vite';
+import type {
+  TestType as BaseTestType,
+  PlaywrightTestArgs,
+  PlaywrightTestConfig as BasePlaywrightTestConfig,
+  PlaywrightTestOptions,
+  PlaywrightWorkerArgs,
+  PlaywrightWorkerOptions,
+} from 'playwright/test';
+
+export type PlaywrightTestConfig<T = {}, W = {}> = Omit<BasePlaywrightTestConfig<T, W>, 'use'> & {
+  use?: BasePlaywrightTestConfig<T, W>['use'] & {
+    ctPort?: number;
+    ctTemplateDir?: string;
+    ctCacheDir?: string;
+    ctViteConfig?: InlineConfig | (() => Promise<InlineConfig>);
+  };
+};
+
+export type TestType<ComponentFixtures> = BaseTestType<
+  PlaywrightTestArgs & PlaywrightTestOptions & ComponentFixtures,
+  PlaywrightWorkerArgs & PlaywrightWorkerOptions
+>;
+
+export function defineConfig(config: PlaywrightTestConfig): PlaywrightTestConfig;
+export function defineConfig<T>(config: PlaywrightTestConfig<T>): PlaywrightTestConfig<T>;
+export function defineConfig<T, W>(config: PlaywrightTestConfig<T, W>): PlaywrightTestConfig<T, W>;
+export function defineConfig(config: PlaywrightTestConfig, ...configs: PlaywrightTestConfig[]): PlaywrightTestConfig;
+export function defineConfig<T>(config: PlaywrightTestConfig<T>, ...configs: PlaywrightTestConfig[]): PlaywrightTestConfig<T>;
+export function defineConfig<T, W>(config: PlaywrightTestConfig<T, W>, ...configs: PlaywrightTestConfig[]): PlaywrightTestConfig<T, W>;
diff --git a/packages/playwright-ct-react/index.d.ts b/packages/playwright-ct-react/index.d.ts
index 3e994cf8fa7d8e..605bced1ac8c26 100644
--- a/packages/playwright-ct-react/index.d.ts
+++ b/packages/playwright-ct-react/index.d.ts
@@ -14,26 +14,9 @@
  * limitations under the License.
  */
 
-import type {
-  TestType,
-  PlaywrightTestArgs,
-  PlaywrightTestConfig as BasePlaywrightTestConfig,
-  PlaywrightTestOptions,
-  PlaywrightWorkerArgs,
-  PlaywrightWorkerOptions,
-  Locator,
-} from 'playwright/test';
+import type { Locator } from 'playwright/test';
 import type { JsonObject } from '@playwright/experimental-ct-core/types/component';
-import type { InlineConfig } from 'vite';
-
-export type PlaywrightTestConfig<T = {}, W = {}> = Omit<BasePlaywrightTestConfig<T, W>, 'use'> & {
-  use?: BasePlaywrightTestConfig<T, W>['use'] & {
-    ctPort?: number;
-    ctTemplateDir?: string;
-    ctCacheDir?: string;
-    ctViteConfig?: InlineConfig | (() => Promise<InlineConfig>);
-  };
-};
+import type { TestType } from '@playwright/experimental-ct-core/types';
 
 export interface MountOptions<HooksConfig extends JsonObject> {
   hooksConfig?: HooksConfig;
@@ -44,26 +27,12 @@ interface MountResult extends Locator {
   update(component: JSX.Element): Promise<void>;
 }
 
-export interface ComponentFixtures {
+export const test: TestType<{
   mount<HooksConfig extends JsonObject>(
     component: JSX.Element,
     options?: MountOptions<HooksConfig>
   ): Promise<MountResult>;
-}
-
-export const test: TestType<
-  PlaywrightTestArgs & PlaywrightTestOptions & ComponentFixtures,
-  PlaywrightWorkerArgs & PlaywrightWorkerOptions
->;
-
-/**
- * Defines Playwright config
- */
-export function defineConfig(config: PlaywrightTestConfig): PlaywrightTestConfig;
-export function defineConfig<T>(config: PlaywrightTestConfig<T>): PlaywrightTestConfig<T>;
-export function defineConfig<T, W>(config: PlaywrightTestConfig<T, W>): PlaywrightTestConfig<T, W>;
-export function defineConfig(config: PlaywrightTestConfig, ...configs: PlaywrightTestConfig[]): PlaywrightTestConfig;
-export function defineConfig<T>(config: PlaywrightTestConfig<T>, ...configs: PlaywrightTestConfig[]): PlaywrightTestConfig<T>;
-export function defineConfig<T, W>(config: PlaywrightTestConfig<T, W>, ...configs: PlaywrightTestConfig[]): PlaywrightTestConfig<T, W>;
+}>;
 
+export { defineConfig, PlaywrightTestConfig } from '@playwright/experimental-ct-core/types';
 export { expect, devices } from 'playwright/test';
diff --git a/packages/playwright-ct-react/register.d.ts b/packages/playwright-ct-react/register.d.ts
index 9ca8259f0a69f6..1f44530ed625da 100644
--- a/packages/playwright-ct-react/register.d.ts
+++ b/packages/playwright-ct-react/register.d.ts
@@ -14,4 +14,4 @@
  * limitations under the License.
  */
 
-export default function pwRegister(components: Record<string, any>): void
+export default function pwRegister(components: Record<string, any>): void;
diff --git a/packages/playwright-ct-react17/index.d.ts b/packages/playwright-ct-react17/index.d.ts
index 3e994cf8fa7d8e..605bced1ac8c26 100644
--- a/packages/playwright-ct-react17/index.d.ts
+++ b/packages/playwright-ct-react17/index.d.ts
@@ -14,26 +14,9 @@
  * limitations under the License.
  */
 
-import type {
-  TestType,
-  PlaywrightTestArgs,
-  PlaywrightTestConfig as BasePlaywrightTestConfig,
-  PlaywrightTestOptions,
-  PlaywrightWorkerArgs,
-  PlaywrightWorkerOptions,
-  Locator,
-} from 'playwright/test';
+import type { Locator } from 'playwright/test';
 import type { JsonObject } from '@playwright/experimental-ct-core/types/component';
-import type { InlineConfig } from 'vite';
-
-export type PlaywrightTestConfig<T = {}, W = {}> = Omit<BasePlaywrightTestConfig<T, W>, 'use'> & {
-  use?: BasePlaywrightTestConfig<T, W>['use'] & {
-    ctPort?: number;
-    ctTemplateDir?: string;
-    ctCacheDir?: string;
-    ctViteConfig?: InlineConfig | (() => Promise<InlineConfig>);
-  };
-};
+import type { TestType } from '@playwright/experimental-ct-core/types';
 
 export interface MountOptions<HooksConfig extends JsonObject> {
   hooksConfig?: HooksConfig;
@@ -44,26 +27,12 @@ interface MountResult extends Locator {
   update(component: JSX.Element): Promise<void>;
 }
 
-export interface ComponentFixtures {
+export const test: TestType<{
   mount<HooksConfig extends JsonObject>(
     component: JSX.Element,
     options?: MountOptions<HooksConfig>
   ): Promise<MountResult>;
-}
-
-export const test: TestType<
-  PlaywrightTestArgs & PlaywrightTestOptions & ComponentFixtures,
-  PlaywrightWorkerArgs & PlaywrightWorkerOptions
->;
-
-/**
- * Defines Playwright config
- */
-export function defineConfig(config: PlaywrightTestConfig): PlaywrightTestConfig;
-export function defineConfig<T>(config: PlaywrightTestConfig<T>): PlaywrightTestConfig<T>;
-export function defineConfig<T, W>(config: PlaywrightTestConfig<T, W>): PlaywrightTestConfig<T, W>;
-export function defineConfig(config: PlaywrightTestConfig, ...configs: PlaywrightTestConfig[]): PlaywrightTestConfig;
-export function defineConfig<T>(config: PlaywrightTestConfig<T>, ...configs: PlaywrightTestConfig[]): PlaywrightTestConfig<T>;
-export function defineConfig<T, W>(config: PlaywrightTestConfig<T, W>, ...configs: PlaywrightTestConfig[]): PlaywrightTestConfig<T, W>;
+}>;
 
+export { defineConfig, PlaywrightTestConfig } from '@playwright/experimental-ct-core/types';
 export { expect, devices } from 'playwright/test';
diff --git a/packages/playwright-ct-react17/register.d.ts b/packages/playwright-ct-react17/register.d.ts
index 9ca8259f0a69f6..1f44530ed625da 100644
--- a/packages/playwright-ct-react17/register.d.ts
+++ b/packages/playwright-ct-react17/register.d.ts
@@ -14,4 +14,4 @@
  * limitations under the License.
  */
 
-export default function pwRegister(components: Record<string, any>): void
+export default function pwRegister(components: Record<string, any>): void;
diff --git a/packages/playwright-ct-solid/index.d.ts b/packages/playwright-ct-solid/index.d.ts
index 3e994cf8fa7d8e..605bced1ac8c26 100644
--- a/packages/playwright-ct-solid/index.d.ts
+++ b/packages/playwright-ct-solid/index.d.ts
@@ -14,26 +14,9 @@
  * limitations under the License.
  */
 
-import type {
-  TestType,
-  PlaywrightTestArgs,
-  PlaywrightTestConfig as BasePlaywrightTestConfig,
-  PlaywrightTestOptions,
-  PlaywrightWorkerArgs,
-  PlaywrightWorkerOptions,
-  Locator,
-} from 'playwright/test';
+import type { Locator } from 'playwright/test';
 import type { JsonObject } from '@playwright/experimental-ct-core/types/component';
-import type { InlineConfig } from 'vite';
-
-export type PlaywrightTestConfig<T = {}, W = {}> = Omit<BasePlaywrightTestConfig<T, W>, 'use'> & {
-  use?: BasePlaywrightTestConfig<T, W>['use'] & {
-    ctPort?: number;
-    ctTemplateDir?: string;
-    ctCacheDir?: string;
-    ctViteConfig?: InlineConfig | (() => Promise<InlineConfig>);
-  };
-};
+import type { TestType } from '@playwright/experimental-ct-core/types';
 
 export interface MountOptions<HooksConfig extends JsonObject> {
   hooksConfig?: HooksConfig;
@@ -44,26 +27,12 @@ interface MountResult extends Locator {
   update(component: JSX.Element): Promise<void>;
 }
 
-export interface ComponentFixtures {
+export const test: TestType<{
   mount<HooksConfig extends JsonObject>(
     component: JSX.Element,
     options?: MountOptions<HooksConfig>
   ): Promise<MountResult>;
-}
-
-export const test: TestType<
-  PlaywrightTestArgs & PlaywrightTestOptions & ComponentFixtures,
-  PlaywrightWorkerArgs & PlaywrightWorkerOptions
->;
-
-/**
- * Defines Playwright config
- */
-export function defineConfig(config: PlaywrightTestConfig): PlaywrightTestConfig;
-export function defineConfig<T>(config: PlaywrightTestConfig<T>): PlaywrightTestConfig<T>;
-export function defineConfig<T, W>(config: PlaywrightTestConfig<T, W>): PlaywrightTestConfig<T, W>;
-export function defineConfig(config: PlaywrightTestConfig, ...configs: PlaywrightTestConfig[]): PlaywrightTestConfig;
-export function defineConfig<T>(config: PlaywrightTestConfig<T>, ...configs: PlaywrightTestConfig[]): PlaywrightTestConfig<T>;
-export function defineConfig<T, W>(config: PlaywrightTestConfig<T, W>, ...configs: PlaywrightTestConfig[]): PlaywrightTestConfig<T, W>;
+}>;
 
+export { defineConfig, PlaywrightTestConfig } from '@playwright/experimental-ct-core/types';
 export { expect, devices } from 'playwright/test';
diff --git a/packages/playwright-ct-solid/register.d.ts b/packages/playwright-ct-solid/register.d.ts
index 9ca8259f0a69f6..1f44530ed625da 100644
--- a/packages/playwright-ct-solid/register.d.ts
+++ b/packages/playwright-ct-solid/register.d.ts
@@ -14,4 +14,4 @@
  * limitations under the License.
  */
 
-export default function pwRegister(components: Record<string, any>): void
+export default function pwRegister(components: Record<string, any>): void;
diff --git a/packages/playwright-ct-svelte/index.d.ts b/packages/playwright-ct-svelte/index.d.ts
index d1f7a5a07bc4a2..c5868e6b9ebab0 100644
--- a/packages/playwright-ct-svelte/index.d.ts
+++ b/packages/playwright-ct-svelte/index.d.ts
@@ -14,27 +14,10 @@
  * limitations under the License.
  */
 
-import type {
-  TestType,
-  PlaywrightTestArgs,
-  PlaywrightTestConfig as BasePlaywrightTestConfig,
-  PlaywrightTestOptions,
-  PlaywrightWorkerArgs,
-  PlaywrightWorkerOptions,
-  Locator,
-} from 'playwright/test';
+import type { Locator } from 'playwright/test';
 import type { JsonObject } from '@playwright/experimental-ct-core/types/component';
-import type { InlineConfig } from 'vite';
 import type { SvelteComponent, ComponentProps } from 'svelte/types/runtime';
-
-export type PlaywrightTestConfig<T = {}, W = {}> = Omit<BasePlaywrightTestConfig<T, W>, 'use'> & {
-  use?: BasePlaywrightTestConfig<T, W>['use'] & {
-    ctPort?: number;
-    ctTemplateDir?: string;
-    ctCacheDir?: string;
-    ctViteConfig?: InlineConfig | (() => Promise<InlineConfig>);
-  };
-};
+import type { TestType } from '@playwright/experimental-ct-core/types';
 
 type ComponentSlot = string | string[];
 type ComponentSlots = Record<string, ComponentSlot> & { default?: ComponentSlot };
@@ -55,23 +38,12 @@ interface MountResult<Component extends SvelteComponent> extends Locator {
   }): Promise<void>;
 }
 
-interface ComponentFixtures {
+export const test: TestType<{
   mount<HooksConfig extends JsonObject, Component extends SvelteComponent = SvelteComponent>(
     component: new (...args: any[]) => Component,
     options?: MountOptions<HooksConfig, Component>
   ): Promise<MountResult<Component>>;
-}
-
-export const test: TestType<
-  PlaywrightTestArgs & PlaywrightTestOptions & ComponentFixtures,
-  PlaywrightWorkerArgs & PlaywrightWorkerOptions
->;
-
-export function defineConfig(config: PlaywrightTestConfig): PlaywrightTestConfig;
-export function defineConfig<T>(config: PlaywrightTestConfig<T>): PlaywrightTestConfig<T>;
-export function defineConfig<T, W>(config: PlaywrightTestConfig<T, W>): PlaywrightTestConfig<T, W>;
-export function defineConfig(config: PlaywrightTestConfig, ...configs: PlaywrightTestConfig[]): PlaywrightTestConfig;
-export function defineConfig<T>(config: PlaywrightTestConfig<T>, ...configs: PlaywrightTestConfig[]): PlaywrightTestConfig<T>;
-export function defineConfig<T, W>(config: PlaywrightTestConfig<T, W>, ...configs: PlaywrightTestConfig[]): PlaywrightTestConfig<T, W>;
+}>;
 
+export { defineConfig, PlaywrightTestConfig } from '@playwright/experimental-ct-core/types';
 export { expect, devices } from 'playwright/test';
diff --git a/packages/playwright-ct-vue/index.d.ts b/packages/playwright-ct-vue/index.d.ts
index 6cb5c751b37c56..24ce6e6a45d08f 100644
--- a/packages/playwright-ct-vue/index.d.ts
+++ b/packages/playwright-ct-vue/index.d.ts
@@ -14,26 +14,9 @@
  * limitations under the License.
  */
 
-import type {
-  TestType,
-  PlaywrightTestArgs,
-  PlaywrightTestConfig as BasePlaywrightTestConfig,
-  PlaywrightTestOptions,
-  PlaywrightWorkerArgs,
-  PlaywrightWorkerOptions,
-  Locator,
-} from 'playwright/test';
+import type { Locator } from 'playwright/test';
 import type { JsonObject } from '@playwright/experimental-ct-core/types/component';
-import type { InlineConfig } from 'vite';
-
-export type PlaywrightTestConfig<T = {}, W = {}> = Omit<BasePlaywrightTestConfig<T, W>, 'use'> & {
-  use?: BasePlaywrightTestConfig<T, W>['use'] & {
-    ctPort?: number;
-    ctTemplateDir?: string;
-    ctCacheDir?: string;
-    ctViteConfig?: InlineConfig | (() => Promise<InlineConfig>);
-  };
-};
+import type { TestType } from '@playwright/experimental-ct-core/types';
 
 type ComponentSlot = string | string[];
 type ComponentSlots = Record<string, ComponentSlot> & { default?: ComponentSlot };
@@ -71,7 +54,7 @@ interface MountResultJsx extends Locator {
   update(component: JSX.Element): Promise<void>;
 }
 
-export interface ComponentFixtures {
+export const test: TestType<{
   mount<HooksConfig extends JsonObject>(
     component: JSX.Element,
     options: MountOptionsJsx<HooksConfig>
@@ -80,18 +63,7 @@ export interface ComponentFixtures {
     component: Component,
     options?: MountOptions<HooksConfig, Component>
   ): Promise<MountResult<Component>>;
-}
-
-export const test: TestType<
-  PlaywrightTestArgs & PlaywrightTestOptions & ComponentFixtures,
-  PlaywrightWorkerArgs & PlaywrightWorkerOptions
->;
-
-export function defineConfig(config: PlaywrightTestConfig): PlaywrightTestConfig;
-export function defineConfig<T>(config: PlaywrightTestConfig<T>): PlaywrightTestConfig<T>;
-export function defineConfig<T, W>(config: PlaywrightTestConfig<T, W>): PlaywrightTestConfig<T, W>;
-export function defineConfig(config: PlaywrightTestConfig, ...configs: PlaywrightTestConfig[]): PlaywrightTestConfig;
-export function defineConfig<T>(config: PlaywrightTestConfig<T>, ...configs: PlaywrightTestConfig[]): PlaywrightTestConfig<T>;
-export function defineConfig<T, W>(config: PlaywrightTestConfig<T, W>, ...configs: PlaywrightTestConfig[]): PlaywrightTestConfig<T, W>;
+}>;
 
+export { defineConfig, PlaywrightTestConfig } from '@playwright/experimental-ct-core/types';
 export { expect, devices } from 'playwright/test';
diff --git a/packages/playwright-ct-vue/register.d.ts b/packages/playwright-ct-vue/register.d.ts
index e0ed7b0efedd33..f88e9be59d3b30 100644
--- a/packages/playwright-ct-vue/register.d.ts
+++ b/packages/playwright-ct-vue/register.d.ts
@@ -21,4 +21,4 @@ export default function pwRegister(
     setDevtoolsHook: any,
     h: any,
   }
-): void
+): void;
diff --git a/packages/playwright-ct-vue2/index.d.ts b/packages/playwright-ct-vue2/index.d.ts
index b3a22bed846325..4ca865d1584285 100644
--- a/packages/playwright-ct-vue2/index.d.ts
+++ b/packages/playwright-ct-vue2/index.d.ts
@@ -14,26 +14,9 @@
  * limitations under the License.
  */
 
-import type {
-  TestType,
-  PlaywrightTestArgs,
-  PlaywrightTestConfig as BasePlaywrightTestConfig,
-  PlaywrightTestOptions,
-  PlaywrightWorkerArgs,
-  PlaywrightWorkerOptions,
-  Locator,
-} from 'playwright/test';
+import type { Locator } from 'playwright/test';
 import type { JsonObject } from '@playwright/experimental-ct-core/types/component';
-import type { InlineConfig } from 'vite';
-
-export type PlaywrightTestConfig<T = {}, W = {}> = Omit<BasePlaywrightTestConfig<T, W>, 'use'> & {
-  use?: BasePlaywrightTestConfig<T, W>['use'] & {
-    ctPort?: number;
-    ctTemplateDir?: string;
-    ctCacheDir?: string;
-    ctViteConfig?: InlineConfig | (() => Promise<InlineConfig>);
-  };
-};
+import type { TestType } from '@playwright/experimental-ct-core/types';
 
 type Slot = string | string[];
 type ComponentSlots = Record<string, Slot> & { default?: Slot };
@@ -71,7 +54,7 @@ interface MountResultJsx extends Locator {
   update(component: JSX.Element): Promise<void>;
 }
 
-export interface ComponentFixtures {
+export const test: TestType<{
   mount<HooksConfig extends JsonObject>(
     component: JSX.Element,
     options?: MountOptionsJsx<HooksConfig>
@@ -80,18 +63,7 @@ export interface ComponentFixtures {
     component: Component,
     options?: MountOptions<HooksConfig, Component>
   ): Promise<MountResult<Component>>;
-}
-
-export const test: TestType<
-  PlaywrightTestArgs & PlaywrightTestOptions & ComponentFixtures,
-  PlaywrightWorkerArgs & PlaywrightWorkerOptions
->;
-
-export function defineConfig(config: PlaywrightTestConfig): PlaywrightTestConfig;
-export function defineConfig<T>(config: PlaywrightTestConfig<T>): PlaywrightTestConfig<T>;
-export function defineConfig<T, W>(config: PlaywrightTestConfig<T, W>): PlaywrightTestConfig<T, W>;
-export function defineConfig(config: PlaywrightTestConfig, ...configs: PlaywrightTestConfig[]): PlaywrightTestConfig;
-export function defineConfig<T>(config: PlaywrightTestConfig<T>, ...configs: PlaywrightTestConfig[]): PlaywrightTestConfig<T>;
-export function defineConfig<T, W>(config: PlaywrightTestConfig<T, W>, ...configs: PlaywrightTestConfig[]): PlaywrightTestConfig<T, W>;
+}>;
 
+export { defineConfig, PlaywrightTestConfig } from '@playwright/experimental-ct-core/types';
 export { expect, devices } from 'playwright/test';
diff --git a/packages/playwright-ct-vue2/register.d.ts b/packages/playwright-ct-vue2/register.d.ts
index e0ed7b0efedd33..f88e9be59d3b30 100644
--- a/packages/playwright-ct-vue2/register.d.ts
+++ b/packages/playwright-ct-vue2/register.d.ts
@@ -21,4 +21,4 @@ export default function pwRegister(
     setDevtoolsHook: any,
     h: any,
   }
-): void
+): void;