private void fillHeader(final Map.Entry<String, String> shenyuHeader, final HttpHeaders headers) {
        headers.set(shenyuHeader.getKey(), shenyuHeader.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