function getEnvironmentData
          
Usage in Deno
import { getEnvironmentData } from "node:worker_threads";
getEnvironmentData(key: Serializable): Serializable 
      Within a worker thread, worker.getEnvironmentData() returns a clone
of data passed to the spawning thread's worker.setEnvironmentData().
Every new Worker receives its own copy of the environment data
automatically.
import {
  Worker,
  isMainThread,
  setEnvironmentData,
  getEnvironmentData,
} from 'node:worker_threads';
if (isMainThread) {
  setEnvironmentData('Hello', 'World!');
  const worker = new Worker(__filename);
} else {
  console.log(getEnvironmentData('Hello'));  // Prints 'World!'.
}
key: Serializable
      
    Any arbitrary, cloneable JavaScript value that can be used as a {Map} key.