package com.ojn.gexf4j.core;
import java.util.Date;
import java.util.List;
public interface Metadata {
boolean isEmpty();
Metadata clearMetadata();
boolean hasLastModified();
Metadata clearLastModified();
Date getLastModified();
Metadata setLastModified(Date lastModified);
boolean hasCreator();
Metadata clearCreator();
String getCreator();
Metadata setCreator(String creator);
boolean hasDescription();
Metadata clearDescription();
String getDescription();
Metadata setDescription(String description);
List<String> getKeywords();
}