Method: SORT_TOPICS_BY_NAME
Method: TOPIC_IS_MOVABLE_UPWARD
Method: MOVE_TOPIC_UPWARD
Method: TOPIC_IS_MOVABLE_DOWNWARD
Method: MOVE_TOPIC_RIGHT
Method: MOVE_TOPIC_LEFT
Method: MOVE_TOPIC_DOWNWARD
Method: TOPIC_IS_MOVABLE_RIGHT
Method: TOPIC_IS_MOVABLE_LEFT
Method: TOGGLE_NODE
Method: GET_IPPE_NODES
Method: REFRESH_IPPE_TREE
Method: EXPAND_ALL
Method: EXPAND_NODE
Method: GET_IPPE_NODE_ATTRIBUTES
Method: COLLAPSE_ALL
Method: GET_NODE_ATTRIBUTES
Method: GET_NODE_TREE
Method: CONSTRUCTOR