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package javax.persistence;

/**
 * The TupleElement interface defines an element that is returned in a query result tuple.
 * 
 * @param 
 *            the type of the element
 */
public interface TupleElement {
	/**
	 * Return the alias assigned to the tuple element or null, if no alias has been assigned.
	 * 
	 * @return alias
	 */
	String getAlias();

	/**
	 * Return the runtime Java type of the tuple element.
	 * 
	 * @return the runtime Java type of the tuple element
	 */
	Class getJavaType();
}