private void replaceHeaderKey(final Map.Entry<String, String> shenyuHeader, final HttpHeaders headers) {
        List<String> values = headers.get(shenyuHeader.getKey());
        if (Objects.nonNull(values)) {
            headers.addAll(shenyuHeader.getValue(), values);
            headers.remove(shenyuHeader.getKey());
        }
    }
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