package com.uwetrottmann.trakt.v2.entities;

public abstract class BaseEntity {

    public String title;
    public Images images;

}

package com.uwetrottmann.trakt.v2.entities;

import java.util.List;

public abstract class BaseEntity {

    public String title;
    public Images images;
    public List<String> available_translations;

}

Add "available_translations" property to base entities.