src/cli/util.js/getOptionsWithOpposites
function getOptionsWithOpposites(options) {
  // Add --no-foo after --foo.
  const optionsWithOpposites = options.map((option) => [
    option.description ? option : null,
    option.oppositeDescription
      ? {
          ...option,
          name: `no-${option.name}`,
          type: "boolean",
          description: option.oppositeDescription,
        }
      : null,
  ]);
  return flat(optionsWithOpposites).filter(Boolean);
}