text: let internal = {
    displayName: "internal",
    setupFilesAfterEnv: ["jest-extended"],
    testMatch: ["**/__tests__/internal/**/*-test.[jt]s?(x)"],
    moduleNameMapper: {
      "@lib(.*)": "<rootDir>/lib$1",
      "^miragejs$": "<rootDir>/lib/index"
    }
  };
  
  // External API, Create React App-like environment.
  let browserEnvironmentConsumingEsm = {
    displayName: "browserEnvironmentConsumingEsm",
    testEnvironment: "jsdom",
    setupFilesAfterEnv: ["jest-extended"],
    testMatch: [
      "**/__tests__/external/shared/**/*-test.[jt]s?(x)",
      "**/__tests__/external/browser-only/**/*-test.[jt]s?(x)"
    ],
    moduleNameMapper: {
      "^miragejs$": "<rootDir>/dist/mirage-esm.js"
    }
  };
  
  // External API, Gatsby-like environment (SSR of client-side code)
  let nodeEnvironmentConsumingEsm = {
    displayName: "nodeEnvironmentConsumingEsm",
    testEnvironment: "node",
    setupFilesAfterEnv: ["jest-extended"],
    testMatch: [
      "**/__tests__/external/shared/**/*-test.[jt]s?(x)",
      "**/__tests__/external/node-only/**/*-test.[jt]s?(x)"
    ],
    moduleNameMapper: {
      "^miragejs$": "<rootDir>/dist/mirage-esm.js"
    }
  };
  
  // External API, Create React App-like environment.
  let browserEnvironmentConsumingCjs = {
    displayName: "browserEnvironmentConsumingCjs",
    testEnvironment: "jsdom",
    setupFilesAfterEnv: ["jest-extended"],
    testMatch: [
      "**/__tests__/external/shared/**/*-test.[jt]s?(x)",
      "**/__tests__/external/browser-only/**/*-test.[jt]s?(x)"
    ],
    moduleNameMapper: {
      "^miragejs$": "<rootDir>/dist/mirage-cjs"
    }
  };
  
  // External API, Gatsby-like environment (SSR of client-side code)
  let nodeEnvironmentConsumingCjs = {
    displayName: "nodeEnvironmentConsumingCjs",
    testEnvironment: "node",
    setupFilesAfterEnv: ["jest-extended"],
    testMatch: [
      "**/__tests__/external/shared/**/*-test.[jt]s?(x)",
      "**/__tests__/external/node-only/**/*-test.[jt]s?(x)"
    ],
    moduleNameMapper: {
      "^miragejs$": "<rootDir>/dist/mirage-cjs"
    }
  };
  
  // External API, script tag or Code Sandbox
  let browserEnvironmentConsumingUmd = {
    displayName: "browserEnvironmentConsumingUmd",
    testEnvironment: "jsdom",
    setupFilesAfterEnv: ["jest-extended"],
    testMatch: [
      "**/__tests__/external/shared/**/*-test.[jt]s?(x)",
      "**/__tests__/external/browser-only/**/*-test.[jt]s?(x)"
    ],
    moduleNameMapper: {
      "^miragejs$": "<rootDir>/dist/mirage-umd.js"
    }
  };
  
  module.exports = {
    projects: [
      internal,
      browserEnvironmentConsumingEsm,
      nodeEnvironmentConsumingEsm,
      browserEnvironmentConsumingCjs,
      nodeEnvironmentConsumingCjs,
      browserEnvironmentConsumingUmd
    ]
  };
  