@XmlElement(value="Literal") public interface Literal extends Expression
It should be noted that content of getValue() may be persisted with with XML based technologies. As an example a geoapi Geometry may be written out uding GML3, while a JTS Geometry may be written out using GML2. You should not assume that the same instance will be made available to all callers, please limit your self to pure data objects and don't use Literal to pass state or operations between systems.
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