+ <dependency>
+ <groupId>com.google.code.gson</groupId>
+ <artifactId>gson</artifactId>
+ <version>2.8.6</version>
+ </dependency>
+ <dependency>
+ <groupId>com.squareup.retrofit2</groupId>
+ <artifactId>retrofit</artifactId>
+ <version>2.5.0</version>
+ </dependency>
+ <dependency>
+ <groupId>com.thoughtworks.xstream</groupId>
+ <artifactId>xstream</artifactId>
+ <version>1.4.16</version>
+ </dependency>
+