protected List<DocParameter> buildResponseParameterList(final JsonObject docInfo, final JsonObject docRoot) {
        RefInfo refInfo = getResponseRefInfo(docInfo);
        List<DocParameter> respParameterList = Collections.emptyList();
        if (Objects.nonNull(refInfo)) {
            String responseRef = refInfo.ref;
            respParameterList = this.buildDocParameters(responseRef, docRoot, true);
            // If an array is returned.
            if (refInfo.isArray) {
                DocParameter docParameter = new DocParameter();
                docParameter.setName("items");
                docParameter.setType("array");
                docParameter.setRefs(respParameterList);
                respParameterList = Collections.singletonList(docParameter);
            }
        }
        return respParameterList;
    }
parseJson.

@param docRoot docRoot
@return DocInfo
shenyu-admin/src/main/java/org/apache/shenyu/admin/service/manager/impl/SwaggerDocParser.java