default boolean skipExcept(ServerWebExchange exchange, RpcTypeEnum... exceptRpcTypes) {
        return !skip(exchange, exceptRpcTypes);
    }
the plugin execute skip except some rpc types.
if return true this plugin can not execute.

<p>the same for:
<pre>
<code>!Objects.equals(rpcType, typeA.getName())
&amp;&amp; !Objects.equals(rpcType, typeB.getName())
&amp;&amp; !Objects.equals(rpcType, type...getName())
</code>
</pre>

@param exchange the current server exchange
@param exceptRpcTypes the except rpc type list
@return current rpcType != someone exceptRpcType
shenyu-plugin/shenyu-plugin-api/src/main/java/org/apache/shenyu/plugin/api/ShenyuPlugin.java