@Override
    public String toString() {
        return new StringBuilder(512)
                .append("\"loadFileAttr\":{\"basePath\":\"").append(basePath)
                .append("\",\"configPath\":\"").append(configPath)
                .append("\",\"loadFileChkSum\":").append(loadFileChkSum)
                .append(",\"loadFileModified\":").append(loadFileModified)
                .append("}").toString();
    }
Retrieve similar configurations within a set of specific configurations according to the given configuration.

@param section      the section within file to be searched.
@param configFields the set of configurations to be searched.
@param checkItem    the given configuration to be compared.
inlong-tubemq/tubemq-server/src/main/java/org/apache/inlong/tubemq/server/common/fileconfig/AbstractFileConfig.java