default R setDSSJobContent(Map<String, Object> dssJobContent) {
        setParameter("dssJobContent", dssJobContent);
        return (R) this;
    }
When some DevelopmentOperations, such as {@code RefCreationOperation}, {@code RefImportOperation} are called, the dssJobContent will be set in, so we can use it to
create a one-to-one only related third appConn refJob.
<br/>
    {@code DSSJobContentConstant} contains all the keys of {@code dssJobContent}, please see {@code DSSJobContentConstant} to know all these keys
    DSS will fill in.
<br/>
This method is usually called by DSS framework, the third-part AppConn just need to use {@code getDSSJobContent()} to
get the dssJobContent to create a one-to-one only related third appConn refJob.
@param dssJobContent a dssJobContent created by users in DSS front-web.
@return this class
dss-standard/development-standard/development-process-standard/src/main/java/com/webank/wedatasphere/dss/standard/app/development/ref/DSSJobContentRequestRef.java