old_contents: const ioFuncs = {
    'putLine': true,
    'getLine': true,
    'readFile': true,
    'writeFile': true,
    'IO': true
  }
  
  const ioMeths = {
    'maybeErr': true,
    'maybeTrue': true,
    'maybeFalse': true,
    'maybeNull': true,
    'maybeUndefined': true
  }
  /* Module exports the ioFuncNames object */
  module.exports = {
    ioFuncs,
    ioMeths
  }
  
new_contents: const ioFuncs = {
    'putLine': true,
    'getLine': true,
    'readFile': true,
    'writeFile': true,
    'get': true,
    'del': true,
    'getJSON': true,
    'delJSON': true,
    'getBlob': true,
    'postJSON': true,
    'putJSON': true,
    'click': true,
    'change': true,
    'IO': true
  }
  
  const ioMeths = {
    'maybeErr': true,
    'maybeTrue': true,
    'maybeFalse': true,
    'maybeNull': true,
    'maybeUndefined': true
  }
  /* Module exports the ioFuncNames object */
  module.exports = {
    ioFuncs,
    ioMeths
  }
  
subject: Add `browser-core` functions to `ioFuncs`