/// <summary>
        /// Enter a parse tree produced by <see cref="BibleReferenceParser.separator_op"/>.
        /// <para>The default implementation does nothing.</para>
        /// </summary>
        /// <param name="context">The parse tree.</param>
        public override void EnterSeparator_op([NotNull] BibleReferenceParser.Grammar.Generated.BibleReferenceParser.Separator_opContext context)
        {
            var reference = ReferenceBuilder.Build();

            ReferenceRangeBuilder.AddReference(reference);
            var referenceRange = ReferenceRangeBuilder.Build();

            References.Add(referenceRange);
            ReferenceRangeBuilder = new BibleReferenceRangeBuilder();
        }
 /// <summary>
 /// Exit a parse tree produced by <see cref="BibleReferenceParser.separator_op"/>.
 /// <para>The default implementation does nothing.</para>
 /// </summary>
 /// <param name="context">The parse tree.</param>
 public override void ExitSeparator_op([NotNull] BibleReferenceParser.Grammar.Generated.BibleReferenceParser.Separator_opContext context)
 {
 }