/// <summary>
/// Reads the next value as a NamedBitList with tag UNIVERSAL 3, converting it to the
/// [<see cref="FlagsAttribute"/>] enum specfied by <paramref name="tFlagsEnum"/>.
/// </summary>
/// <param name="expectedTag">The tag to check for before reading.</param>
/// <param name="tFlagsEnum">Type object representing the destination type.</param>
/// <returns>
/// the NamedBitList value converted to a <paramref name="tFlagsEnum"/>.
/// </returns>
/// <exception cref="CryptographicException">
/// the next value does not have the correct tag --OR--
/// the length encoding is not valid under the current encoding rules --OR--
/// the contents are not valid under the current encoding rules --OR---
/// the encoded value is too big to fit in a <paramref name="tFlagsEnum"/> value
/// </exception>
/// <exception cref="ArgumentException">
/// <paramref name="tFlagsEnum"/> is not an enum type --OR--
/// <paramref name="tFlagsEnum"/> was not declared with <see cref="FlagsAttribute"/>
/// --OR--
/// <paramref name="expectedTag"/>.<see cref="Asn1Tag.TagClass"/> is
/// <see cref="TagClass.Universal"/>, but
/// <paramref name="expectedTag"/>.<see cref="Asn1Tag.TagValue"/> is not correct for
/// the method
/// </exception>
/// <seealso cref="ReadNamedBitListValue{TFlagsEnum}(Asn1Tag)"/>
public Enum ReadNamedBitListValue(Asn1Tag expectedTag, Type tFlagsEnum)
{
AsnValueReader valueReader = OpenValueReader();
Enum ret = valueReader.ReadNamedBitListValue(expectedTag, tFlagsEnum);
valueReader.MatchSlice(ref _data);
return(ret);
}