@Override
    public void doDelConfig(final String dataId) {
        this.apolloClient.removeItemKey(dataId);
        this.apolloClient.publishNamespace("delete config data", "");
    }
Instantiates a new apollo data changed listener.

@param apolloClient the apollo client
shenyu-admin-listener/shenyu-admin-listener-apollo/src/main/java/org/apache/shenyu/admin/listener/apollo/ApolloDataChangedListener.java