<artifactId>guava</artifactId>
<optional>true</optional>
</dependency>
+ <dependency>
+ <groupId>com.google.code.gson</groupId>
+ <artifactId>gson</artifactId>
+ <optional>true</optional>
+ </dependency>
<dependency>
<groupId>javax.json</groupId>
<artifactId>javax.json-api</artifactId>