namic_get_failure</span></tt> is thrown.</p>
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class dynamic_property_map
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<p>This class describes the interface used by <tt class="docutils literal"><span class="pre">dynamic_properties</span></tt> to
interact with a user's property maps polymorphically.</p>
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boost::any get(const any&amp; key)
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<p>Given a representation of a key, return the value associated with that key.</p>
<p>Requirement:
1) The object passed as the