public override object VisitUMeta(UHeaderParser.UMetaContext context)
        {
            var ls = context.uMetaParametrList();

            if (ls != null)
            {
                _currentUMeta = new Dictionary <string, string>();
                VisitUMetaParametrList(ls);
            }

            return(null);
        }
 /// <summary>
 /// Visit a parse tree produced by <see cref="UHeaderParser.uMeta"/>.
 /// <para>
 /// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/>
 /// on <paramref name="context"/>.
 /// </para>
 /// </summary>
 /// <param name="context">The parse tree.</param>
 /// <return>The visitor result.</return>
 public virtual Result VisitUMeta([NotNull] UHeaderParser.UMetaContext context)
 {
     return(VisitChildren(context));
 }