<dependency>
<groupId>com.ibm.watson.developer_cloud</groupId>
<artifactId>discovery</artifactId>
<version>3.5.3</version>
</dependency>'com.ibm.watson.developer_cloud:discovery:3.5.3'The Discovery wraps the environment, collection, configuration, document, and query operations of the Discovery service.
Discovery service = new Discovery("2016-12-15");
service.setEndpoint("https://gateway.watsonplatform.net/discovery/api/");
service.setUsernameAndPassword("<username>", "<password>");
//TODO add service