text: //
  // This is only a SKELETON file for the 'Gigasecond' exercise. It's been provided as a
  // convenience to get you started writing code faster.
  //
  
  const ONE_GIGASECOND = 1_000_000_000;
  
  const convertSecondInMilliseconds = second => second * 1000;
  
  export const gigasecond = (date) => new Date(date.getTime() + convertSecondInMilliseconds(ONE_GIGASECOND));