public void setPathVariableNode(final ShenyuTrieNode pathVariableNode) {
        this.pathVariableNode = pathVariableNode;
    }
set pathVariable node.
@param pathVariableNode pathVariableNode
shenyu-plugin/shenyu-plugin-base/src/main/java/org/apache/shenyu/plugin/base/trie/ShenyuTrieNode.java