makeOCapNRecordCodec = (label, readBody, writeBody) => {
  // Syrup Records as used in OCapN are always labeled with selectors
  return makeRecordCodec(label, 'selector', readBody, writeBody);
}
@param {string} label
@param {function(SyrupReader): any} readBody
@param {function(any, SyrupWriter): void} writeBody
@returns {SyrupRecordCodec}