public ulong ReadContentAsUnsignedInt64()
 {
     return(BitConverter.ToUInt64(Conversions.OrderBytesInBigEndian(ReadContentAs(8)), 0));
 }
 public uint ReadContentAsUnsignedInt32()
 {
     return(BitConverter.ToUInt32(Conversions.OrderBytesInBigEndian(ReadContentAs(4)), 0));
 }