babel/packages/babel-plugin-transform-runtime/test/fixtures/runtime/regenerator-runtime/expected.js

import _regeneratorRuntime from "babel-runtime/regenerator";
void _regeneratorRuntime.mark(function _callee() {
  return _regeneratorRuntime.wrap(function _callee$(_context) {
    while (1) switch (_context.prev = _context.next) {
      case 0:
      case "end":
        return _context.stop();
    }
  }, _callee, this);
});