public DomainMappingRule WhenAuthorityIs(string source)
        {
            var rule = new DomainMappingRule(source, DomainMatchType.Exact);

            rules.Add(rule);
            return(rule);
        }
        public DomainMappingRule WhenAuthorityStartsWith(string source)
        {
            var rule = new DomainMappingRule(source);

            rules.Add(rule);
            return(rule);
        }
		public DomainMappingRule WhenAuthorityIs(string source) {
			var rule = new DomainMappingRule(source, DomainMatchType.Exact);
			rules.Add(rule);
			return rule;
		}
		public DomainMappingRule WhenAuthorityStartsWith(string source) {
			var rule = new DomainMappingRule(source);
			rules.Add(rule);
			return rule;
		}