'com.googlecode.gwt-validation:gwt-validation:2.1'
<dependency>
<groupId>com.googlecode.gwt-validation</groupId>
<artifactId>gwt-validation</artifactId>
<version>2.1</version>
</dependency>
<dependency org="com.googlecode.gwt-validation" name="gwt-validation" rev="2.1"/>
"com.googlecode.gwt-validation", "gwt-validation", "2.1"