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public class Item {
  private final Attributes attributes;

  public Item(Attributes attributes) {
    this.attributes = attributes;
  }
  
  public boolean attributeExists(String attributeName) {
    return attributes.attributeExists(attributeName);
  }
  
  public Set<String> values(String attributeName) {
    return attributes.values(attributeName);
  }

  public String getSingleValue(String attributeName) {
    return attributes.getSingleValue(attributeName);
  }
}