public static PreComputedNearestPostcodesDto CompressNearestPostcodeDtos(string postcode, IEnumerable <NearestPostcodeDto> nearestPostcodeDtos) { PreComputedNearestPostcodesDto preComputedNearestPostcodeses = new PreComputedNearestPostcodesDto(); preComputedNearestPostcodeses.Postcode = postcode; byte[] nearestPostcodesBytes = Utf8Json.JsonSerializer.Serialize(nearestPostcodeDtos); preComputedNearestPostcodeses.CompressedNearestPostcodes = CompressionUtils.Zip(nearestPostcodesBytes); return(preComputedNearestPostcodeses); }