package org.realityforge.replicant.shared.json;

/**
 * Constants used to build up JSON payload transmitted to the client.
 */
public final class TransportConstants
{
  public static final String LAST_CHANGE_SET_ID = "last_id";
  public static final String CHANGES = "changes";
  public static final String ENTITY_ID = "id";
  public static final String TYPE_ID = "type";
  public static final String DATA = "data";
}

package org.realityforge.replicant.shared.json;

/**
 * Constants used to build up JSON payload transmitted to the client.
 */
public interface TransportConstants
{
  String LAST_CHANGE_SET_ID = "last_id";
  String CHANGES = "changes";
  String ENTITY_ID = "id";
  String TYPE_ID = "type";
  String DATA = "data";
}

Rework the TransportConstants type into an interface