public DiscoveryHandlerBuilder listenerNode(final String listenerNode) {
            this.listenerNode = listenerNode;
            return this;
        }
listenerNode.

@param listenerNode the listenerNode.
@return DiscoveryRelDOBuilder.
shenyu-admin/src/main/java/org/apache/shenyu/admin/model/entity/DiscoveryHandlerDO.java