private MultiValueMap<String, String> getQueryParams(final ServerHttpRequest request, final RequestHandle requestHandle) {
        RequestHandle.ShenyuRequestParameter shenyuReqParameter = requestHandle.getParameter();
        MultiValueMap<String, String> queryParams = new LinkedMultiValueMap<>(request.getQueryParams());
        if (Objects.isNull(shenyuReqParameter)) {
            return queryParams;
        }
        if (MapUtils.isNotEmpty(shenyuReqParameter.getAddParameters())) {
            shenyuReqParameter.getAddParameters().entrySet().forEach(s -> this.fillParameter(s, queryParams));
        }
        if (MapUtils.isNotEmpty(shenyuReqParameter.getSetParameters())) {
            shenyuReqParameter.getSetParameters().entrySet().forEach(s -> this.fillParameter(s, queryParams));
        }
        if (MapUtils.isNotEmpty(shenyuReqParameter.getReplaceParameterKeys())) {
            shenyuReqParameter.getReplaceParameterKeys().entrySet().forEach(s -> this.replaceParameterKey(s, queryParams));
        }
        if (CollectionUtils.isNotEmpty(shenyuReqParameter.getRemoveParameterKeys())) {
            shenyuReqParameter.getRemoveParameterKeys().forEach(queryParams::remove);
        }
        return queryParams;
    }
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