diff --git a/README.md b/README.md
index a907700..506acef 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,14 @@ actions can be run directly on your workstation.
 >
 > This tool currently only supports JavaScript and TypeScript actions!
 
+The following table tracks the versions of the GitHub Actions Toolkit that are
+currently implemented by this tool.
+
+| Package             | Version  |
+| ------------------- | -------- |
+| `@actions/artifact` | `2.2.0`  |
+| `@actions/core`     | `1.11.1` |
+
 ## v2 Changes
 
 As of version `2.0.0`, the `local-action` tool has been updated to require
diff --git a/__fixtures__/exec.ts b/__fixtures__/exec.ts
new file mode 100644
index 0000000..411cbe4
--- /dev/null
+++ b/__fixtures__/exec.ts
@@ -0,0 +1,9 @@
+import { jest } from '@jest/globals'
+
+export const exec = jest.fn().mockImplementation(() => {})
+export const getExecOutput = jest.fn().mockImplementation(() => {})
+
+export default {
+  exec,
+  getExecOutput
+}
diff --git a/__tests__/command.test.ts b/__tests__/command.test.ts
index cd318bc..4f1b868 100644
--- a/__tests__/command.test.ts
+++ b/__tests__/command.test.ts
@@ -1,6 +1,6 @@
 import { jest } from '@jest/globals'
 import { Command } from 'commander'
-import { ResetCoreMetadata } from '../src/stubs/core.js'
+import { ResetCoreMetadata } from '../src/stubs/core/core.js'
 import { ResetEnvMetadata } from '../src/stubs/env.js'
 
 const action = jest.fn()
diff --git a/__tests__/commands/run.test.ts b/__tests__/commands/run.test.ts
index c4ef3a1..81c00ec 100644
--- a/__tests__/commands/run.test.ts
+++ b/__tests__/commands/run.test.ts
@@ -1,6 +1,6 @@
 import { jest } from '@jest/globals'
 import * as core from '../../__fixtures__/core.js'
-import { ResetCoreMetadata } from '../../src/stubs/core.js'
+import { ResetCoreMetadata } from '../../src/stubs/core/core.js'
 import { EnvMeta, ResetEnvMetadata } from '../../src/stubs/env.js'
 
 const quibbleEsm = jest.fn().mockImplementation(() => {})
diff --git a/__tests__/index.test.ts b/__tests__/index.test.ts
index 8fd6e38..5c6f359 100644
--- a/__tests__/index.test.ts
+++ b/__tests__/index.test.ts
@@ -1,5 +1,5 @@
 import { jest } from '@jest/globals'
-import { ResetCoreMetadata } from '../src/stubs/core.js'
+import { ResetCoreMetadata } from '../src/stubs/core/core.js'
 import { ResetEnvMetadata } from '../src/stubs/env.js'
 
 const makeProgram = jest.fn().mockResolvedValue({
diff --git a/__tests__/stubs/artifact/internal/client.test.ts b/__tests__/stubs/artifact/internal/client.test.ts
index c840cc5..c86a5ca 100644
--- a/__tests__/stubs/artifact/internal/client.test.ts
+++ b/__tests__/stubs/artifact/internal/client.test.ts
@@ -1,6 +1,6 @@
 import { jest } from '@jest/globals'
 import * as core from '../../../../__fixtures__/core.js'
-import { ResetCoreMetadata } from '../../../../src/stubs/core.js'
+import { ResetCoreMetadata } from '../../../../src/stubs/core/core.js'
 import { EnvMeta, ResetEnvMetadata } from '../../../../src/stubs/env.js'
 
 const isGhes = jest.fn().mockReturnValue(false)
@@ -58,7 +58,7 @@ jest.unstable_mockModule(
     deleteArtifactPublic
   })
 )
-jest.unstable_mockModule('../../../../src/stubs/core.js', () => core)
+jest.unstable_mockModule('../../../../src/stubs/core/core.js', () => core)
 
 const { DefaultArtifactClient } = await import(
   '../../../../src/stubs/artifact/internal/client.js'
diff --git a/__tests__/stubs/artifact/internal/delete/delete-artifact.test.ts b/__tests__/stubs/artifact/internal/delete/delete-artifact.test.ts
index 535adc9..6e38021 100644
--- a/__tests__/stubs/artifact/internal/delete/delete-artifact.test.ts
+++ b/__tests__/stubs/artifact/internal/delete/delete-artifact.test.ts
@@ -1,11 +1,11 @@
 import { jest } from '@jest/globals'
 import * as core from '../../../../../__fixtures__/core.js'
 import * as fs from '../../../../../__fixtures__/fs.js'
-import { ResetCoreMetadata } from '../../../../../src/stubs/core.js'
+import { ResetCoreMetadata } from '../../../../../src/stubs/core/core.js'
 import { EnvMeta, ResetEnvMetadata } from '../../../../../src/stubs/env.js'
 
 jest.unstable_mockModule('fs', () => fs)
-jest.unstable_mockModule('../../../../../src/stubs/core.js', () => core)
+jest.unstable_mockModule('../../../../../src/stubs/core/core.js', () => core)
 
 const deleteArtifact = await import(
   '../../../../../src/stubs/artifact/internal/delete/delete-artifact.js'
diff --git a/__tests__/stubs/artifact/internal/download/download-artifact.test.ts b/__tests__/stubs/artifact/internal/download/download-artifact.test.ts
index e6bc5bc..6d2d123 100644
--- a/__tests__/stubs/artifact/internal/download/download-artifact.test.ts
+++ b/__tests__/stubs/artifact/internal/download/download-artifact.test.ts
@@ -3,7 +3,7 @@ import * as core from '../../../../../__fixtures__/core.js'
 import * as crypto from '../../../../../__fixtures__/crypto.js'
 import * as fs from '../../../../../__fixtures__/fs.js'
 import * as stream from '../../../../../__fixtures__/stream/promises.js'
-import { ResetCoreMetadata } from '../../../../../src/stubs/core.js'
+import { ResetCoreMetadata } from '../../../../../src/stubs/core/core.js'
 import { EnvMeta, ResetEnvMetadata } from '../../../../../src/stubs/env.js'
 
 const readStream = {
@@ -14,7 +14,7 @@ const readStream = {
 jest.unstable_mockModule('crypto', () => crypto)
 jest.unstable_mockModule('fs', () => fs)
 jest.unstable_mockModule('stream/promises', () => stream)
-jest.unstable_mockModule('../../../../../src/stubs/core.js', () => core)
+jest.unstable_mockModule('../../../../../src/stubs/core/core.js', () => core)
 
 const downloadArtifact = await import(
   '../../../../../src/stubs/artifact/internal/download/download-artifact.js'
diff --git a/__tests__/stubs/artifact/internal/find/get-artifact.test.ts b/__tests__/stubs/artifact/internal/find/get-artifact.test.ts
index 8c463ae..a9fb180 100644
--- a/__tests__/stubs/artifact/internal/find/get-artifact.test.ts
+++ b/__tests__/stubs/artifact/internal/find/get-artifact.test.ts
@@ -1,9 +1,9 @@
 import { jest } from '@jest/globals'
 import * as core from '../../../../../__fixtures__/core.js'
-import { ResetCoreMetadata } from '../../../../../src/stubs/core.js'
+import { ResetCoreMetadata } from '../../../../../src/stubs/core/core.js'
 import { EnvMeta, ResetEnvMetadata } from '../../../../../src/stubs/env.js'
 
-jest.unstable_mockModule('../../../../../src/stubs/core.js', () => core)
+jest.unstable_mockModule('../../../../../src/stubs/core/core.js', () => core)
 
 const getArtifact = await import(
   '../../../../../src/stubs/artifact/internal/find/get-artifact.js'
diff --git a/__tests__/stubs/artifact/internal/find/list-artifacts.test.ts b/__tests__/stubs/artifact/internal/find/list-artifacts.test.ts
index 39b55ba..397f99b 100644
--- a/__tests__/stubs/artifact/internal/find/list-artifacts.test.ts
+++ b/__tests__/stubs/artifact/internal/find/list-artifacts.test.ts
@@ -1,6 +1,6 @@
 import { jest } from '@jest/globals'
 import * as core from '../../../../../__fixtures__/core.js'
-import { ResetCoreMetadata } from '../../../../../src/stubs/core.js'
+import { ResetCoreMetadata } from '../../../../../src/stubs/core/core.js'
 import { EnvMeta, ResetEnvMetadata } from '../../../../../src/stubs/env.js'
 
 jest.unstable_mockModule('@actions/core', () => core)
diff --git a/__tests__/stubs/artifact/internal/shared/config.test.ts b/__tests__/stubs/artifact/internal/shared/config.test.ts
index 36c3e1b..c5a50a2 100644
--- a/__tests__/stubs/artifact/internal/shared/config.test.ts
+++ b/__tests__/stubs/artifact/internal/shared/config.test.ts
@@ -1,6 +1,6 @@
 import { jest } from '@jest/globals'
 import { getGitHubWorkspaceDir } from '../../../../../src/stubs/artifact/internal/shared/config.js'
-import { ResetCoreMetadata } from '../../../../../src/stubs/core.js'
+import { ResetCoreMetadata } from '../../../../../src/stubs/core/core.js'
 import { ResetEnvMetadata } from '../../../../../src/stubs/env.js'
 
 describe('config', () => {
diff --git a/__tests__/stubs/artifact/internal/shared/user-agent.test.ts b/__tests__/stubs/artifact/internal/shared/user-agent.test.ts
index b55c497..eda04e9 100644
--- a/__tests__/stubs/artifact/internal/shared/user-agent.test.ts
+++ b/__tests__/stubs/artifact/internal/shared/user-agent.test.ts
@@ -1,6 +1,6 @@
 import { jest } from '@jest/globals'
 import { getUserAgentString } from '../../../../../src/stubs/artifact/internal/shared/user-agent.js'
-import { ResetCoreMetadata } from '../../../../../src/stubs/core.js'
+import { ResetCoreMetadata } from '../../../../../src/stubs/core/core.js'
 import { ResetEnvMetadata } from '../../../../../src/stubs/env.js'
 
 describe('user-agent', () => {
diff --git a/__tests__/stubs/artifact/internal/upload/upload-artifact.test.ts b/__tests__/stubs/artifact/internal/upload/upload-artifact.test.ts
index 7af49c5..448ac3b 100644
--- a/__tests__/stubs/artifact/internal/upload/upload-artifact.test.ts
+++ b/__tests__/stubs/artifact/internal/upload/upload-artifact.test.ts
@@ -4,7 +4,7 @@ import * as core from '../../../../../__fixtures__/core.js'
 import * as crypto from '../../../../../__fixtures__/crypto.js'
 import * as fs from '../../../../../__fixtures__/fs.js'
 import * as stream from '../../../../../__fixtures__/stream/promises.js'
-import { ResetCoreMetadata } from '../../../../../src/stubs/core.js'
+import { ResetCoreMetadata } from '../../../../../src/stubs/core/core.js'
 import { EnvMeta, ResetEnvMetadata } from '../../../../../src/stubs/env.js'
 
 const validateArtifactName = jest.fn()
@@ -27,7 +27,7 @@ const writeStream = {
 jest.unstable_mockModule('crypto', () => crypto)
 jest.unstable_mockModule('fs', () => fs)
 jest.unstable_mockModule('stream/promises', () => stream)
-jest.unstable_mockModule('../../../../../src/stubs/core.js', () => core)
+jest.unstable_mockModule('../../../../../src/stubs/core/core.js', () => core)
 jest.unstable_mockModule(
   '../../../../../src/stubs/artifact/internal/upload/upload-zip-specification.js',
   () => ({
diff --git a/__tests__/stubs/core-stubs.test.ts b/__tests__/stubs/core/core.test.ts
similarity index 94%
rename from __tests__/stubs/core-stubs.test.ts
rename to __tests__/stubs/core/core.test.ts
index f206f32..3d6a972 100644
--- a/__tests__/stubs/core-stubs.test.ts
+++ b/__tests__/stubs/core/core.test.ts
@@ -1,5 +1,4 @@
 import { jest } from '@jest/globals'
-import path from 'path'
 import {
   CoreMeta,
   ResetCoreMetadata,
@@ -24,13 +23,10 @@ import {
   setOutput,
   setSecret,
   startGroup,
-  toPlatformPath,
-  toPosixPath,
-  toWin32Path,
   warning
-} from '../../src/stubs/core.js'
-import { EnvMeta, ResetEnvMetadata } from '../../src/stubs/env.js'
-import type { CoreMetadata } from '../../src/types.js'
+} from '../../../src/stubs/core/core.js'
+import { EnvMeta, ResetEnvMetadata } from '../../../src/stubs/env.js'
+import type { CoreMetadata } from '../../../src/types.js'
 
 /** Empty CoreMetadata Object */
 const empty: CoreMetadata = {
@@ -597,33 +593,5 @@ describe('Core', () => {
         await expect(getIDToken()).rejects.toThrow('Not implemented')
       })
     })
-
-    describe('toPosixPath()', () => {
-      it('Returns a POSIX path', () => {
-        expect(toPosixPath('C:\\Users\\mona\\Desktop')).toEqual(
-          'C:/Users/mona/Desktop'
-        )
-      })
-    })
-
-    describe('toWin32Path()', () => {
-      it('Returns a WIN32 path', () => {
-        expect(toWin32Path('C:/Users/mona/Desktop')).toEqual(
-          'C:\\Users\\mona\\Desktop'
-        )
-      })
-    })
-
-    describe('toPlatformPath()', () => {
-      it('Returns a platform-specific path', () => {
-        expect(toPlatformPath('C:/Users/mona/Desktop')).toEqual(
-          `C:${path.sep}Users${path.sep}mona${path.sep}Desktop`
-        )
-
-        expect(toPosixPath('C:\\Users\\mona\\Desktop')).toEqual(
-          `C:${path.sep}Users${path.sep}mona${path.sep}Desktop`
-        )
-      })
-    })
   })
 })
diff --git a/__tests__/stubs/core/path-utils.test.ts b/__tests__/stubs/core/path-utils.test.ts
new file mode 100644
index 0000000..7211a7f
--- /dev/null
+++ b/__tests__/stubs/core/path-utils.test.ts
@@ -0,0 +1,46 @@
+import { jest } from '@jest/globals'
+import path from 'path'
+import { ResetCoreMetadata } from '../../../src/stubs/core/core.js'
+import {
+  toPlatformPath,
+  toPosixPath,
+  toWin32Path
+} from '../../../src/stubs/core/path-utils.js'
+import { ResetEnvMetadata } from '../../../src/stubs/env.js'
+
+// Prevent output during tests
+jest.spyOn(console, 'log').mockImplementation(() => {})
+jest.spyOn(console, 'table').mockImplementation(() => {})
+
+describe('path-utils', () => {
+  beforeEach(() => {
+    // Reset metadata
+    ResetEnvMetadata()
+    ResetCoreMetadata()
+  })
+
+  afterEach(() => {
+    // Reset all spies
+    jest.resetAllMocks()
+  })
+
+  describe('toWin32Path()', () => {
+    it('Returns a WIN32 path', () => {
+      expect(toWin32Path('C:/Users/mona/Desktop')).toEqual(
+        'C:\\Users\\mona\\Desktop'
+      )
+    })
+  })
+
+  describe('toPlatformPath()', () => {
+    it('Returns a platform-specific path', () => {
+      expect(toPlatformPath('C:/Users/mona/Desktop')).toEqual(
+        `C:${path.sep}Users${path.sep}mona${path.sep}Desktop`
+      )
+
+      expect(toPosixPath('C:\\Users\\mona\\Desktop')).toEqual(
+        `C:${path.sep}Users${path.sep}mona${path.sep}Desktop`
+      )
+    })
+  })
+})
diff --git a/__tests__/stubs/summary-stubs.test.ts b/__tests__/stubs/core/summary.test.ts
similarity index 98%
rename from __tests__/stubs/summary-stubs.test.ts
rename to __tests__/stubs/core/summary.test.ts
index 72abc45..8fd8350 100644
--- a/__tests__/stubs/summary-stubs.test.ts
+++ b/__tests__/stubs/core/summary.test.ts
@@ -2,8 +2,8 @@ import { jest } from '@jest/globals'
 import fs from 'fs'
 import { EOL } from 'os'
 import path from 'path'
-import { CoreMeta, ResetCoreMetadata } from '../../src/stubs/core.js'
-import { Summary } from '../../src/stubs/summary.js'
+import { CoreMeta, ResetCoreMetadata } from '../../../src/stubs/core/core.js'
+import { Summary } from '../../../src/stubs/core/summary.js'
 
 let summary: Summary = new Summary()
 
diff --git a/__tests__/stubs/env-stubs.test.ts b/__tests__/stubs/env.test.ts
similarity index 96%
rename from __tests__/stubs/env-stubs.test.ts
rename to __tests__/stubs/env.test.ts
index d46f8f4..ab70bab 100644
--- a/__tests__/stubs/env-stubs.test.ts
+++ b/__tests__/stubs/env.test.ts
@@ -1,5 +1,5 @@
 import { jest } from '@jest/globals'
-import { ResetCoreMetadata } from '../../src/stubs/core.js'
+import { ResetCoreMetadata } from '../../src/stubs/core/core.js'
 import { EnvMeta, ResetEnvMetadata } from '../../src/stubs/env.js'
 import type { EnvMetadata } from '../../src/types.js'
 
diff --git a/__tests__/utils/output.test.ts b/__tests__/utils/output.test.ts
index 449138e..d271201 100644
--- a/__tests__/utils/output.test.ts
+++ b/__tests__/utils/output.test.ts
@@ -1,5 +1,5 @@
 import { jest } from '@jest/globals'
-import { ResetCoreMetadata } from '../../src/stubs/core.js'
+import { ResetCoreMetadata } from '../../src/stubs/core/core.js'
 import { ResetEnvMetadata } from '../../src/stubs/env.js'
 import { printTitle } from '../../src/utils/output.js'
 
diff --git a/docs/supported-functionality.md b/docs/supported-functionality.md
index 7317276..80ee968 100644
--- a/docs/supported-functionality.md
+++ b/docs/supported-functionality.md
@@ -66,7 +66,7 @@ to the `local-action` command.
 | `toPosixPath()`       | :white_check_mark: |                                 |
 | `toWin32Path()`       | :white_check_mark: |                                 |
 | `toPlatformPath()`    | :white_check_mark: |                                 |
-| `platform.*`          | :no_entry:         |                                 |
+| `platform.*`          | :white_check_mark: |                                 |
 
 ## Under Investigation
 
diff --git a/package-lock.json b/package-lock.json
index 5286ec1..e8a7467 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@github/local-action",
-  "version": "2.3.0",
+  "version": "2.4.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@github/local-action",
-      "version": "2.3.0",
+      "version": "2.4.0",
       "license": "MIT",
       "dependencies": {
         "@actions/artifact": "^2.2.0",
diff --git a/package.json b/package.json
index c887ce6..6342ee8 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@github/local-action",
   "description": "Local Debugging for GitHub Actions",
-  "version": "2.3.0",
+  "version": "2.4.0",
   "type": "module",
   "author": "Nick Alteen <ncalteen@github.com>",
   "private": false,
diff --git a/src/commands/run.ts b/src/commands/run.ts
index 8ce65d8..5b4cc83 100644
--- a/src/commands/run.ts
+++ b/src/commands/run.ts
@@ -2,7 +2,7 @@ import { config } from 'dotenv'
 import { createRequire } from 'module'
 import quibble from 'quibble'
 import { ARTIFACT_STUBS } from '../stubs/artifact/artifact.js'
-import { CORE_STUBS, CoreMeta } from '../stubs/core.js'
+import { CORE_STUBS, CoreMeta } from '../stubs/core/core.js'
 import { EnvMeta } from '../stubs/env.js'
 import type { Action } from '../types.js'
 import { printTitle } from '../utils/output.js'
diff --git a/src/stubs/artifact/internal/client.ts b/src/stubs/artifact/internal/client.ts
index f50769f..71d06bc 100644
--- a/src/stubs/artifact/internal/client.ts
+++ b/src/stubs/artifact/internal/client.ts
@@ -1,4 +1,4 @@
-import { warning } from '../../core.js'
+import { warning } from '../../core/core.js'
 import {
   deleteArtifactInternal,
   deleteArtifactPublic
diff --git a/src/stubs/artifact/internal/delete/delete-artifact.ts b/src/stubs/artifact/internal/delete/delete-artifact.ts
index d55a1ec..cbce1d3 100644
--- a/src/stubs/artifact/internal/delete/delete-artifact.ts
+++ b/src/stubs/artifact/internal/delete/delete-artifact.ts
@@ -6,7 +6,7 @@ import { retry } from '@octokit/plugin-retry'
 import fs from 'fs'
 import path from 'path'
 import { EnvMeta } from '../../../../stubs/env.js'
-import * as core from '../../../core.js'
+import * as core from '../../../core/core.js'
 import { getArtifactPublic } from '../find/get-artifact.js'
 import { getRetryOptions } from '../find/retry-options.js'
 import {
diff --git a/src/stubs/artifact/internal/download/download-artifact.ts b/src/stubs/artifact/internal/download/download-artifact.ts
index 1d4d6c4..d3983be 100644
--- a/src/stubs/artifact/internal/download/download-artifact.ts
+++ b/src/stubs/artifact/internal/download/download-artifact.ts
@@ -5,7 +5,7 @@ import path from 'path'
 import { finished } from 'stream/promises'
 import unzip from 'unzip-stream'
 import { EnvMeta } from '../../../../stubs/env.js'
-import * as core from '../../../core.js'
+import * as core from '../../../core/core.js'
 import { getGitHubWorkspaceDir } from '../shared/config.js'
 import { ArtifactNotFoundError } from '../shared/errors.js'
 import type {
diff --git a/src/stubs/artifact/internal/find/get-artifact.ts b/src/stubs/artifact/internal/find/get-artifact.ts
index c7ce69e..2a4b360 100644
--- a/src/stubs/artifact/internal/find/get-artifact.ts
+++ b/src/stubs/artifact/internal/find/get-artifact.ts
@@ -4,7 +4,7 @@ import type { OctokitOptions } from '@octokit/core'
 import { requestLog } from '@octokit/plugin-request-log'
 import { retry } from '@octokit/plugin-retry'
 import { EnvMeta } from '../../../../stubs/env.js'
-import * as core from '../../../core.js'
+import * as core from '../../../core/core.js'
 import {
   ArtifactNotFoundError,
   InvalidResponseError
diff --git a/src/stubs/artifact/internal/find/list-artifacts.ts b/src/stubs/artifact/internal/find/list-artifacts.ts
index edf2487..e0e4f7a 100644
--- a/src/stubs/artifact/internal/find/list-artifacts.ts
+++ b/src/stubs/artifact/internal/find/list-artifacts.ts
@@ -4,7 +4,7 @@ import type { OctokitOptions } from '@octokit/core'
 import { requestLog } from '@octokit/plugin-request-log'
 import { retry } from '@octokit/plugin-retry'
 import { EnvMeta } from '../../../../stubs/env.js'
-import * as core from '../../../core.js'
+import * as core from '../../../core/core.js'
 import type { Artifact, ListArtifactsResponse } from '../shared/interfaces.js'
 import { getUserAgentString } from '../shared/user-agent.js'
 import { getRetryOptions } from './retry-options.js'
diff --git a/src/stubs/artifact/internal/find/retry-options.ts b/src/stubs/artifact/internal/find/retry-options.ts
index 61f1c46..eada9f2 100644
--- a/src/stubs/artifact/internal/find/retry-options.ts
+++ b/src/stubs/artifact/internal/find/retry-options.ts
@@ -5,7 +5,7 @@
 
 import type { OctokitOptions } from '@octokit/core'
 import type { RequestRequestOptions } from '@octokit/types'
-import * as core from '../../../core.js'
+import * as core from '../../../core/core.js'
 
 export type RetryOptions = {
   doNotRetry?: number[]
diff --git a/src/stubs/artifact/internal/upload/path-and-artifact-name-validation.ts b/src/stubs/artifact/internal/upload/path-and-artifact-name-validation.ts
index fab338b..34b55f9 100644
--- a/src/stubs/artifact/internal/upload/path-and-artifact-name-validation.ts
+++ b/src/stubs/artifact/internal/upload/path-and-artifact-name-validation.ts
@@ -3,7 +3,7 @@
  */
 /* istanbul ignore file */
 
-import { info } from '../../../core.js'
+import { info } from '../../../core/core.js'
 
 /**
  * Invalid characters that cannot be in the artifact name or an uploaded file. Will be rejected
diff --git a/src/stubs/artifact/internal/upload/upload-artifact.ts b/src/stubs/artifact/internal/upload/upload-artifact.ts
index 1077400..a25ae92 100644
--- a/src/stubs/artifact/internal/upload/upload-artifact.ts
+++ b/src/stubs/artifact/internal/upload/upload-artifact.ts
@@ -3,7 +3,7 @@ import fs from 'fs'
 import path from 'path'
 import { finished } from 'stream/promises'
 import { EnvMeta } from '../../../../stubs/env.js'
-import * as core from '../../../core.ts'
+import * as core from '../../../core/core.ts'
 import { FilesNotFoundError, InvalidResponseError } from '../shared/errors.js'
 import type {
   Artifact,
diff --git a/src/stubs/artifact/internal/upload/upload-zip-specification.ts b/src/stubs/artifact/internal/upload/upload-zip-specification.ts
index 6cc09d4..8361c96 100644
--- a/src/stubs/artifact/internal/upload/upload-zip-specification.ts
+++ b/src/stubs/artifact/internal/upload/upload-zip-specification.ts
@@ -5,7 +5,7 @@
 
 import * as fs from 'fs'
 import { normalize, resolve } from 'path'
-import * as core from '../../../core.js'
+import * as core from '../../../core/core.js'
 import { validateFilePath } from './path-and-artifact-name-validation.js'
 
 export interface UploadZipSpecification {
diff --git a/src/stubs/artifact/internal/upload/zip.ts b/src/stubs/artifact/internal/upload/zip.ts
index 4f16eb5..759b10d 100644
--- a/src/stubs/artifact/internal/upload/zip.ts
+++ b/src/stubs/artifact/internal/upload/zip.ts
@@ -6,7 +6,7 @@
 import archiver from 'archiver'
 import { realpath } from 'fs/promises'
 import * as stream from 'stream'
-import * as core from '../../../core.js'
+import * as core from '../../../core/core.js'
 import { getUploadChunkSize } from '../shared/config.js'
 import type { UploadZipSpecification } from './upload-zip-specification.js'
 
diff --git a/src/stubs/core.ts b/src/stubs/core/core.ts
similarity index 83%
rename from src/stubs/core.ts
rename to src/stubs/core/core.ts
index 0f173e3..a571934 100644
--- a/src/stubs/core.ts
+++ b/src/stubs/core/core.ts
@@ -1,10 +1,8 @@
 import path from 'path'
-import type {
-  AnnotationProperties,
-  CoreMetadata,
-  InputOptions
-} from '../types.js'
-import { EnvMeta } from './env.js'
+import type { CoreMetadata } from '../../types.js'
+import { EnvMeta } from '../env.js'
+import { toPlatformPath, toPosixPath, toWin32Path } from './path-utils.js'
+import * as platform from './platform.js'
 import { Summary } from './summary.js'
 
 export const CORE_STUBS = {
@@ -22,6 +20,7 @@ export const CORE_STUBS = {
   info,
   isDebug,
   notice,
+  platform,
   saveState,
   setCommandEcho,
   setFailed,
@@ -29,6 +28,9 @@ export const CORE_STUBS = {
   setSecret,
   startGroup,
   summary: new Summary(),
+  toPlatformPath,
+  toPosixPath,
+  toWin32Path,
   warning
 }
 
@@ -73,11 +75,81 @@ export function ResetCoreMetadata(): void {
   CoreMeta.stepSummaryPath = process.env.GITHUB_STEP_SUMMARY ?? ''
 }
 
+/**
+ * @github/local-action Unmodified
+ *
+ * Optional properties that can be sent with annotation commands (notice, error,
+ * and warning).
+ */
+export type AnnotationProperties = {
+  /** A title for the annotation. */
+  title?: string
+
+  /** The path of the file for which the annotation should be created. */
+  file?: string
+
+  /** The start line for the annotation. */
+  startLine?: number
+
+  /**
+   * The end line for the annotation. Defaults to `startLine` when `startLine`
+   * is provided.
+   */
+  endLine?: number
+
+  /**
+   * The start column for the annotation. Cannot be sent when `startLine` and
+   * `endLine` are different values.
+   */
+  startColumn?: number
+
+  /**
+   * The end column for the annotation. Cannot be sent when `startLine` and
+   * `endLine` are different values. Defaults to `startColumn` when
+   * `startColumn` is provided.
+   */
+  endColumn?: number
+}
+
+/**
+ * @github/local-action Unmodified
+ *
+ * Options for getInput.
+ */
+export type InputOptions = {
+  /**
+   * Optional. Whether the input is required. If required and not present,
+   * will throw. Defaults to false.
+   */
+  required?: boolean
+
+  /**
+   * Optional. Whether leading/trailing whitespace will be trimmed for the
+   * input. Defaults to true.
+   */
+  trimWhitespace?: boolean
+}
+
+/**
+ * @github/local-action Modified
+ *
+ * Prepends to the PATH
+ *
+ * @param inputPath The path to prepend to the PATH
+ * @returns void
+ */
+export function addPath(inputPath: string): void {
+  EnvMeta.path = `${inputPath}${path.delimiter}${process.env.PATH}`
+  process.env.PATH = EnvMeta.path
+}
+
 //-----------------------------------------------------------------------
 // Variables
 //-----------------------------------------------------------------------
 
 /**
+ * @github/local-action Modified
+ *
  * Saves an environment variable
  *
  * @param name The name of the environment variable
@@ -101,6 +173,8 @@ export function exportVariable(
 }
 
 /**
+ * @github/local-action Modified
+ *
  * Register a secret to mask it in logs
  *
  * @param secret The value to register
@@ -111,17 +185,8 @@ export function setSecret(secret: string): void {
 }
 
 /**
- * Prepends to the PATH
+ * @github/local-action Modified
  *
- * @param inputPath The path to prepend to the PATH
- * @returns void
- */
-export function addPath(inputPath: string): void {
-  EnvMeta.path = `${inputPath}${path.delimiter}${process.env.PATH}`
-  process.env.PATH = EnvMeta.path
-}
-
-/**
  * Gets the action input from the environment variables
  *
  * @param name The name of the input
@@ -146,6 +211,8 @@ export function getInput(name: string, options?: InputOptions): string {
 }
 
 /**
+ * @github/local-action Modified
+ *
  * Gets multiline inputs from environment variables
  *
  * @param name The name of the input
@@ -177,6 +244,8 @@ export function getMultilineInput(
 }
 
 /**
+ * @github/local-action Modified
+ *
  * Gets boolean inputs from environment variables
  *
  * @param name The name of the input
@@ -209,6 +278,8 @@ export function getBooleanInput(name: string, options?: InputOptions): boolean {
 }
 
 /**
+ * @github/local-action Modified
+ *
  * Saves outputs and logs to the console
  *
  * @param name The name of the output
@@ -224,6 +295,8 @@ export function setOutput(name: string, value: string): void {
 }
 
 /**
+ * @github/local-action Modified
+ *
  * Enables or disables the echoing of commands into stdout.
  *
  * @todo Currently this does nothing.
@@ -240,6 +313,8 @@ export function setCommandEcho(enabled: boolean): void {
 //-----------------------------------------------------------------------
 
 /**
+ * @github/local-action Modified
+ *
  * Set the action status to failed
  *
  * @param message The message to log
@@ -257,6 +332,8 @@ export function setFailed(message: string | Error): void {
 //-----------------------------------------------------------------------
 
 /**
+ * @github/local-action New
+ *
  * Logs a message with optional annotations
  *
  * This is used internally by the other logging functions. It doesn't need to be
@@ -331,6 +408,8 @@ export function log(
 }
 
 /**
+ * @github/local-action Modified
+ *
  * Returns true if debugging is enabled
  *
  * @returns Whether debugging is enabled
@@ -340,6 +419,8 @@ export function isDebug(): boolean {
 }
 
 /**
+ * @github/local-action Modified
+ *
  * Logs a debug message to the console
  *
  * E.g. `::debug::{message}`
@@ -355,6 +436,8 @@ export function debug(message: string): void {
 }
 
 /**
+ * @github/local-action Modified
+ *
  * Logs an error message to the console
  *
  * E.g. `::error file={name},line={line},endLine={endLine},title={title}::{message}`
@@ -364,7 +447,7 @@ export function debug(message: string): void {
  * @returns void
  */
 export function error(
-  message: string,
+  message: string | Error,
   properties: AnnotationProperties = {
     title: undefined,
     file: undefined,
@@ -374,10 +457,17 @@ export function error(
     endColumn: undefined
   }
 ): void {
-  log('error', message, properties)
+  log(
+    'error',
+    /* istanbul ignore next */
+    message instanceof Error ? message.toString() : message,
+    properties
+  )
 }
 
 /**
+ * @github/local-action Modified
+ *
  * Logs a warning message to the console
  *
  * E.g. `::warning file={name},line={line},endLine={endLine},title={title}::{message}`
@@ -387,7 +477,7 @@ export function error(
  * @returns void
  */
 export function warning(
-  message: string,
+  message: string | Error,
   properties: AnnotationProperties = {
     title: undefined,
     file: undefined,
@@ -397,10 +487,17 @@ export function warning(
     endColumn: undefined
   }
 ): void {
-  log('warning', message, properties)
+  log(
+    'warning',
+    /* istanbul ignore next */
+    message instanceof Error ? message.toString() : message,
+    properties
+  )
 }
 
 /**
+ * @github/local-action Modified
+ *
  * Logs a notice message to the console
  *
  * E.g. `::notice file={name},line={line},endLine={endLine},title={title}::{message}`
@@ -410,7 +507,7 @@ export function warning(
  * @returns void
  */
 export function notice(
-  message: string,
+  message: string | Error,
   properties: AnnotationProperties = {
     title: undefined,
     file: undefined,
@@ -420,10 +517,17 @@ export function notice(
     endColumn: undefined
   }
 ): void {
-  log('notice', message, properties)
+  log(
+    'notice',
+    /* istanbul ignore next */
+    message instanceof Error ? message.toString() : message,
+    properties
+  )
 }
 
 /**
+ * @github/local-action Modified
+ *
  * Logs an info message to the console
  *
  * E.g. `::info::{message}`
@@ -436,6 +540,8 @@ export function info(message: string): void {
 }
 
 /**
+ * @github/local-action Modified
+ *
  * Starts a group of log lines
  *
  * @param title The title of the group
@@ -453,6 +559,8 @@ export function startGroup(title: string): void {
 }
 
 /**
+ * @github/local-action Modified
+ *
  * Ends a group of log lines
  *
  * @param title The title of the group
@@ -470,6 +578,8 @@ export function endGroup(): void {
 }
 
 /**
+ * @github/local-action Unmodified
+ *
  * Wraps an asynchronous function call in a group
  *
  * @param name The name of the group
@@ -497,6 +607,8 @@ export async function group<T>(name: string, fn: () => Promise<T>): Promise<T> {
 //-----------------------------------------------------------------------
 
 /**
+ * @github/local-action Modified
+ *
  * Save the state of the action.
  *
  * For testing purposes, this does nothing other than save it to the `state`
@@ -514,6 +626,8 @@ export function saveState(name: string, value: unknown): void {
 }
 
 /**
+ * @github/local-action Modified
+ *
  * Get the state for the action.
  *
  * For testing purposes, this does nothing other than return the value from the
@@ -527,6 +641,8 @@ export function getState(name: string): string {
 }
 
 /**
+ * @github/local-action Modified
+ *
  * Gets an OIDC token
  *
  * @todo Implement
@@ -538,40 +654,3 @@ export function getState(name: string): string {
 export async function getIDToken(aud?: string): Promise<string> {
   throw new Error('Not implemented')
 }
-
-//-----------------------------------------------------------------------
-// Path exports
-//-----------------------------------------------------------------------
-
-/**
- * Converts the given path to the posix form. On Windows, `\\` will be replaced
- * with `/`.
- *
- * @param pth Path to transform
- * @return Posix path
- */
-export function toPosixPath(pth: string): string {
-  return pth.replace(/[\\]/g, '/')
-}
-
-/**
- * Converts the given path to the win32 form. On Linux, `/` will be replaced
- * with `\\`.
- *
- * @param pth Path to transform
- * @return Win32 path
- */
-export function toWin32Path(pth: string): string {
-  return pth.replace(/[/]/g, '\\')
-}
-
-/**
- * Converts the given path to a platform-specific path. It does this by
- * replacing instances of `/` and `\` with the platform-specific path separator.
- *
- * @param pth The path to platformize
- * @return The platform-specific path
- */
-export function toPlatformPath(pth: string): string {
-  return pth.replace(/[/\\]/g, path.sep)
-}
diff --git a/src/stubs/core/path-utils.ts b/src/stubs/core/path-utils.ts
new file mode 100644
index 0000000..edc468a
--- /dev/null
+++ b/src/stubs/core/path-utils.ts
@@ -0,0 +1,40 @@
+import * as path from 'path'
+
+/**
+ * @github/local-action Unmodified
+ *
+ * Converts the given path to the posix form. On Windows, `\\` will be replaced
+ * with `/`.
+ *
+ * @param pth Path to transform
+ * @return Posix path
+ */
+export function toPosixPath(pth: string): string {
+  return pth.replace(/[\\]/g, '/')
+}
+
+/**
+ * @github/local-action Unmodified
+ *
+ * Converts the given path to the win32 form. On Linux, `/` will be replaced
+ * with `\\`.
+ *
+ * @param pth Path to transform
+ * @return Win32 path
+ */
+export function toWin32Path(pth: string): string {
+  return pth.replace(/[/]/g, '\\')
+}
+
+/**
+ * @github/local-action Unmodified
+ *
+ * Converts the given path to a platform-specific path. It does this by
+ * replacing instances of `/` and `\` with the platform-specific path separator.
+ *
+ * @param pth The path to platformize
+ * @return The platform-specific path
+ */
+export function toPlatformPath(pth: string): string {
+  return pth.replace(/[/\\]/g, path.sep)
+}
diff --git a/src/stubs/core/platform.ts b/src/stubs/core/platform.ts
new file mode 100644
index 0000000..719a93b
--- /dev/null
+++ b/src/stubs/core/platform.ts
@@ -0,0 +1,96 @@
+/**
+ * @github/local-action Unmodified
+ */
+/* istanbul ignore file */
+
+import * as exec from '@actions/exec'
+import os from 'os'
+
+const getWindowsInfo = async (): Promise<{ name: string; version: string }> => {
+  const { stdout: version } = await exec.getExecOutput(
+    'powershell -command "(Get-CimInstance -ClassName Win32_OperatingSystem).Version"',
+    undefined,
+    {
+      silent: true
+    }
+  )
+
+  const { stdout: name } = await exec.getExecOutput(
+    'powershell -command "(Get-CimInstance -ClassName Win32_OperatingSystem).Caption"',
+    undefined,
+    {
+      silent: true
+    }
+  )
+
+  return {
+    name: name.trim(),
+    version: version.trim()
+  }
+}
+
+const getMacOsInfo = async (): Promise<{
+  name: string
+  version: string
+}> => {
+  const { stdout } = await exec.getExecOutput('sw_vers', undefined, {
+    silent: true
+  })
+
+  const version = stdout.match(/ProductVersion:\s*(.+)/)?.[1] ?? ''
+  const name = stdout.match(/ProductName:\s*(.+)/)?.[1] ?? ''
+
+  return {
+    name,
+    version
+  }
+}
+
+const getLinuxInfo = async (): Promise<{
+  name: string
+  version: string
+}> => {
+  const { stdout } = await exec.getExecOutput(
+    'lsb_release',
+    ['-i', '-r', '-s'],
+    {
+      silent: true
+    }
+  )
+
+  const [name, version] = stdout.trim().split('\n')
+
+  return {
+    name,
+    version
+  }
+}
+
+export const platform = os.platform()
+export const arch = os.arch()
+export const isWindows = platform === 'win32'
+export const isMacOS = platform === 'darwin'
+export const isLinux = platform === 'linux'
+
+export async function getDetails(): Promise<{
+  name: string
+  platform: string
+  arch: string
+  version: string
+  isWindows: boolean
+  isMacOS: boolean
+  isLinux: boolean
+}> {
+  return {
+    ...(await (isWindows
+      ? getWindowsInfo()
+      : isMacOS
+        ? getMacOsInfo()
+        : getLinuxInfo())),
+    platform,
+    arch,
+    isWindows,
+    isMacOS,
+    isLinux
+  }
+}
diff --git a/src/stubs/summary.ts b/src/stubs/core/summary.ts
similarity index 83%
rename from src/stubs/summary.ts
rename to src/stubs/core/summary.ts
index b54681a..f93ee97 100644
--- a/src/stubs/summary.ts
+++ b/src/stubs/core/summary.ts
@@ -1,13 +1,67 @@
 import fs from 'fs'
 import { EOL } from 'os'
 import path from 'path'
-import type {
-  SummaryImageOptions,
-  SummaryTableRow,
-  SummaryWriteOptions
-} from '../types.js'
 import { CoreMeta } from './core.js'
 
+/**
+ * @github/local-action Unmodified
+ *
+ * A row for a summary table.
+ */
+export type SummaryTableRow = (SummaryTableCell | string)[]
+
+/**
+ * @github/local-action Unmodified
+ */
+export interface SummaryTableCell {
+  /**
+   * Cell content
+   */
+  data: string
+  /**
+   * Render cell as header
+   * (optional) default: false
+   */
+  header?: boolean
+  /**
+   * Number of columns the cell extends
+   * (optional) default: '1'
+   */
+  colspan?: string
+  /**
+   * Number of rows the cell extends
+   * (optional) default: '1'
+   */
+  rowspan?: string
+}
+
+/**
+ * @github/local-action Unmodified
+ */
+export interface SummaryImageOptions {
+  /**
+   * The width of the image in pixels. Must be an integer without a unit.
+   * (optional)
+   */
+  width?: string
+  /**
+   * The height of the image in pixels. Must be an integer without a unit.
+   * (optional)
+   */
+  height?: string
+}
+
+/**
+ * @github/local-action Unmodified
+ */
+export interface SummaryWriteOptions {
+  /**
+   * Replace all existing content in summary file with buffer contents
+   * (optional) default: false
+   */
+  overwrite?: boolean
+}
+
 /**
  * A class for creating and writing job step summaries.
  */
@@ -19,6 +73,8 @@ export class Summary {
   private _filePath?: string
 
   /**
+   * @github/local-action Unmodified
+   *
    * Initialize with an empty buffer.
    */
   constructor() {
@@ -26,6 +82,8 @@ export class Summary {
   }
 
   /**
+   * @github/local-action Modified
+   *
    * Finds the summary file path from the environment. Rejects if the
    * environment variable is not set/empty or the file does not exist.
    *
@@ -70,6 +128,8 @@ export class Summary {
   }
 
   /**
+   * @github/local-action Unmodified
+   *
    * Wraps content in the provided HTML tag and adds any specified attributes.
    *
    * @param tag HTML tag to wrap. Example: 'html', 'body', 'div', etc.
@@ -92,6 +152,8 @@ export class Summary {
   }
 
   /**
+   * @github/local-action Modified
+   *
    * Writes the buffer to the summary file and empties the buffer. This can
    * append (default) or overwrite the file.
    *
@@ -117,6 +179,8 @@ export class Summary {
   }
 
   /**
+   * @github/local-action Unmodified
+   *
    * Clears the buffer and summary file.
    *
    * @returns A promise that resolve to the Summary instance for chaining.
@@ -126,6 +190,8 @@ export class Summary {
   }
 
   /**
+   * @github/local-action Unmodified
+   *
    * Returns the current buffer as a string.
    *
    * @returns Current buffer contents.
@@ -135,6 +201,8 @@ export class Summary {
   }
 
   /**
+   * @github/local-action Unmodified
+   *
    * Returns `true` the buffer is empty, `false` otherwise.
    *
    * @returns Whether the buffer is empty.
@@ -144,6 +212,8 @@ export class Summary {
   }
 
   /**
+   * @github/local-action Unmodified
+   *
    * Resets the buffer without writing to the summary file.
    *
    * @returns The Summary instance for chaining.
@@ -154,6 +224,8 @@ export class Summary {
   }
 
   /**
+   * @github/local-action Unmodified
+   *
    * Adds raw text to the buffer.
    *
    * @param text The content to add.
@@ -167,6 +239,8 @@ export class Summary {
   }
 
   /**
+   * @github/local-action Unmodified
+   *
    * Adds the operating system-specific `EOL` marker to the buffer.
    *
    * @returns The Summary instance for chaining.
@@ -176,6 +250,8 @@ export class Summary {
   }
 
   /**
+   * @github/local-action Modified
+   *
    * Adds a code block (\<code\>) to the buffer.
    *
    * @param code Content to render within the code block.
@@ -189,6 +265,8 @@ export class Summary {
   }
 
   /**
+   * @github/local-action Modified
+   *
    * Adds a list (\<li\>) element to the buffer.
    *
    * @param items List of items to render.
@@ -205,6 +283,8 @@ export class Summary {
   }
 
   /**
+   * @github/local-action Modified
+   *
    * Adds a table (\<table\>) element to the buffer.
    *
    * @param rows Table rows to render.
@@ -238,6 +318,8 @@ export class Summary {
   }
 
   /**
+   * @github/local-action Modified
+   *
    * Adds a details (\<details\>) element to the buffer.
    *
    * @param label Text for the \<summary\> element.
@@ -251,6 +333,8 @@ export class Summary {
   }
 
   /**
+   * @github/local-action Modified
+   *
    * Adds an image (\<img\>) element to the buffer.
    *
    * @param src Path to the image to embed.
@@ -274,6 +358,8 @@ export class Summary {
   }
 
   /**
+   * @github/local-action Modified
+   *
    * Adds a heading (\<hX\>) element to the buffer.
    *
    * @param text Heading text to render.
@@ -295,6 +381,8 @@ export class Summary {
   }
 
   /**
+   * @github/local-action Modified
+   *
    * Adds a horizontal rule (\<hr\>) element to the buffer.
    *
    * @returns Summary instance for chaining.
@@ -304,6 +392,8 @@ export class Summary {
   }
 
   /**
+   * @github/local-action Modified
+   *
    * Adds a line break (\<br\>) to the buffer.
    *
    * @returns Summary instance for chaining.
@@ -313,6 +403,8 @@ export class Summary {
   }
 
   /**
+   * @github/local-action Modified
+   *
    * Adds a block quote \<blockquote\> element to the buffer.
    *
    * @param text Quote text to render.
@@ -326,6 +418,8 @@ export class Summary {
   }
 
   /**
+   * @github/local-action Modified
+   *
    * Adds an anchor (\<a\>) element to the buffer.
    *
    * @param text Text content to render.
diff --git a/src/types.ts b/src/types.ts
index 68abec9..7d3e831 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -137,90 +137,3 @@ export type Runs = {
   /** Conditions for the `post` script to run */
   'post-if'?: () => boolean
 }
-
-/**
- * Optional properties that can be sent with annotation commands (notice, error,
- * and warning).
- */
-export type AnnotationProperties = {
-  /** A title for the annotation. */
-  title?: string
-
-  /** The path of the file for which the annotation should be created. */
-  file?: string
-
-  /** The start line for the annotation. */
-  startLine?: number
-
-  /**
-   * The end line for the annotation. Defaults to `startLine` when `startLine`
-   * is provided.
-   */
-  endLine?: number
-
-  /**
-   * The start column for the annotation. Cannot be sent when `startLine` and
-   * `endLine` are different values.
-   */
-  startColumn?: number
-
-  /**
-   * The end column for the annotation. Cannot be sent when `startLine` and
-   * `endLine` are different values. Defaults to `startColumn` when
-   * `startColumn` is provided.
-   */
-  endColumn?: number
-}
-
-/**
- * Options for getInput.
- */
-export type InputOptions = {
-  /**
-   * Optional. Whether the input is required. If required and not present,
-   * will throw. Defaults to false.
-   */
-  required?: boolean
-
-  /**
-   * Optional. Whether leading/trailing whitespace will be trimmed for the
-   * input. Defaults to true.
-   */
-  trimWhitespace?: boolean
-}
-
-/** A table cell from a job step summary. */
-export type SummaryTableCell = {
-  /** Cell content */
-  data: string
-
-  /** Optional. Render cell as header. Defaults to `false`. */
-  header?: boolean
-
-  /** Optional. Number of columns the cell extends. Defaults to `1`. */
-  colspan?: string
-
-  /** Optional. Number of rows the cell extends. Defaults to '1'. */
-  rowspan?: string
-}
-
-/** A row for a summary table. */
-export type SummaryTableRow = (SummaryTableCell | string)[]
-
-/** The formatting options for an image in a job step summary. */
-export type SummaryImageOptions = {
-  /** Optional. The width of the image in pixels. */
-  width?: string
-
-  /** Optional. The height of the image in pixels. */
-  height?: string
-}
-
-/** The options for writing a job step summary. */
-export type SummaryWriteOptions = {
-  /**
-   * Optional. Replace all existing content in the summary file with the
-   * contents of the buffer. Defaults to `false`.
-   */
-  overwrite?: boolean
-}
diff --git a/tsconfig.eslint.json b/tsconfig.eslint.json
index 4705547..f1c1fe0 100644
--- a/tsconfig.eslint.json
+++ b/tsconfig.eslint.json
@@ -8,6 +8,7 @@
     "__fixtures__/stream/",
     "__fixtures__/core.ts",
     "__fixtures__/crypto.ts",
+    "__fixtures__/exec.ts",
     "__fixtures__/fs.ts",
     "__fixtures__/tsconfig-paths.ts",
     "__tests__",