function get(projectionLike) {
  if (!(typeof projectionLike === 'string')) {
    return projectionLike;
  }
  const projection = getProj(projectionLike);
  if (projection) {
    return projection;
  }
  for (const makeProjection of projectionFactories) {
    const projection = makeProjection(projectionLike);
    if (projection) {
      return projection;
    }
  }
  return null;
}
Fetches a Projection object for the code specified.

@param {ProjectionLike} projectionLike Either a code string which is
    a combination of authority and identifier such as "EPSG:4326", or an
    existing projection object, or undefined.
@return {Projection|null} Projection object, or null if not in list.
@api