代码(缩短了实际代码以解释问题)。importjava.util.Map;importjava.util.HashMap;publicclassTypeReferenceTest{publicstaticclassModel{publicvoidsetAbc(Abcabc){}}publicstaticclassAbc{publicAbc(Tval){}}publicstaticvoidmain(String[]args){MapattrMap=newHashMap();attrMap.put("key",0);Modelm=newModel();m.setAbc(newAbc(get