/CODE></A></p>
 
 <p>The XML Schema specification states that values can be of an arbitrary size.
 Implementations may chose not to or be incapable of supporting arbitrarily large and/or small values.
 An <CODE>UnsupportedOperationException</CODE> will be thrown with a message indicating implementation limits
 if implementation capacities are exceeded.</p><DD><DL>
<DT><B>Parameters:</B><DD><CODE>lexicalRepresentation</CODE> - <code>String</code> representation of a <code>Duration</code>.<DT><B>Returns:</B><