valign="top"><a href="#set_data-2">set_data/2</a></td><td>
  Sets the extra information stored on the tree.</td></tr>
<tr><td valign="top"><a href="#set_property-3">set_property/3</a></td><td>
  Sets the value property for a tree_node.</td></tr>
<tr><td valign="top"><a href="#set_value-2">set_value/2</a></td><td>
  Sets the value for a tree_node.</td></tr>
<tr><td valign="top"><a href="#store_node-2">store_node/2</a></td><td>
  Adds a new node to the tree, or updates an existing one.</td></tr>
<tr><td valig