method MIMEParams.prototype.keys Usage in Deno```typescript import { MIMEParams } from "node:node__util.d.ts"; ``` MIMEParams.prototype.keys(): IterableIterator<string> Returns an iterator over the names of each name-value pair. ```js import { MIMEType } from 'node:util'; const { params } = new MIMEType('text/plain;foo=0;bar=1'); for (const name of params.keys()) { console.log(name); } // Prints: // foo // bar ``` Return Type IterableIterator<string>