Fixed Javadoc warnings.

src/main/java/org/gitlab4j/api/models/User.java

@@ -4,6 +4,7 @@ import javax.xml.bind.annotation.XmlRootElement;
 
 @XmlRootElement
 public class User extends AbstractUser<User> {
+
     private String externUid;
 
     public void setExternUid(String externUid) {
@@ -14,23 +15,31 @@ public class User extends AbstractUser<User> {
         return this.externUid;
     }
 
+    public User withExternUid(String externUid) {
+        setExternUid(externUid);
+        return this;
+    }
+
     /**
+     * Fluent method to set the projects_limit setting.
+     *
+     * @param projectsLimit the value for the projects_limit setting
      * @deprecated Replaced by {@link #withProjectsLimit(Integer)}
-     * @see #withProjectsLimit(Integer) 
+     * @see #withProjectsLimit(Integer)
+     * @return the value of this instance
      */
     @Deprecated
     public User withProjectLimit(Integer projectsLimit) {
         return withProjectsLimit(projectsLimit);
     }
-
-    public User withExternUid(String externUid) {
-        setExternUid(externUid);
-        return this;
-    }
-
+ 
     /**
+     * Fluent method to set the shared_projects_minutes_limit setting.
+     *
+     * @param sharedRunnersMinuteLimit the value for the shared_projects_minutes_limit setting
      * @deprecated Replaced by {@link #withSharedRunnersMinutesLimit(Integer)}
-     * @see #withSharedRunnersMinutesLimit(Integer) 
+     * @see #withSharedRunnersMinutesLimit(Integer)
+     * @return the value of this instance
      */
     @Deprecated
     public User withSharedRunnersMinuteLimit(Integer sharedRunnersMinuteLimit) {