private void fillParameter(final Map.Entry<String, String> shenyuParam, final MultiValueMap<String, String> queryParams) {
        queryParams.set(shenyuParam.getKey(), shenyuParam.getValue());
    }
get queryParams.

@param request serverHttpRequest
@param requestHandle requestHandle
@return new queryParams
shenyu-plugin/shenyu-plugin-request/src/main/java/org/apache/shenyu/plugin/request/RequestPlugin.java