/*
const opter = function (argv) {
  return new Opter(argv);
}
*/

const cfgExample = {
  synonyms: [['-d', '--debug']],
  requiredOptions: ['-i', '-o'],
  requiredArguments: { '-i': {min: 1, max: 1, tooFew: '', tooMany: ''}, }
}

class Opter {
  constructor(argv, cfg) {
    // this.opts = ...
  }

  contains() {

  }
}