public static IReadOnlyList <NearestPostcodeDto> DecompressPreComputedPostcodes(PreComputedNearestPostcodesDto preComputedNearestPostcodesDto) { byte[] decompressedPreComputedNearbyPostcodesBytes = CompressionUtils.UnzipToBytes(preComputedNearestPostcodesDto.CompressedNearestPostcodes); List <NearestPostcodeDto> nearbyPostcodeDtos = Utf8Json.JsonSerializer.Deserialize <List <NearestPostcodeDto> >(decompressedPreComputedNearbyPostcodesBytes); return(nearbyPostcodeDtos); }