add the .myAnimation() method

AnimationResource.java

package com.projectname.project.client.resources;

import com.arcbees.gsss.animation.client.AnimationResources;
import com.google.gwt.resources.client.ClientBundle;

public interface AnimationsResources extends ClientBundle {

   interface Style extends AnimationResources.Animation {
       String myAnimation();
   }

   @Source({"com/arcbees/gsss/animation/client/animationsettings.gss",
           "com/arcbees/gsss/animation/client/animations.gss",
           "css/animations.gss"})
   Style style();
}