@Override
    public String toString() {
        return "ShenyuTrieNode{"
                + "matchStr='" + matchStr
                + ", fullPath='" + fullPath
                + ", children=" + children
                + ", pathVariables=" + pathVariables
                + ", pathVariableNode=" + pathVariableNode
                + ", isWildcard=" + isWildcard
                + ", endOfPath=" + endOfPath
                + ", pathCache=" + pathCache
                + ", bizInfo='" + bizInfo
                + '}';
    }
set fail to node.

@param failToNode fail to node
shenyu-plugin/shenyu-plugin-base/src/main/java/org/apache/shenyu/plugin/base/trie/ShenyuTrieNode.java