method MIMEParams.prototype.keysMIMEParams.prototype.keys(): IterableIterator<string>DeprecatedReturns an iterator over the names of each name-value pair. 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 TypeIterableIterator<string>