@Override
    public void refresh() {
        super.getWasmExtern(REFRESH_METHOD_NAME)
                .ifPresent(refresh -> WasmFunctions.consumer(super.getStore(), refresh.func()).accept());
    }
The type abstract wasm metadata subscriber.
shenyu-plugin/shenyu-plugin-wasm-base/src/main/java/org/apache/shenyu/plugin/wasm/base/handler/AbstractWasmMetaDataHandler.java