code: public static Map<TileRef, ColorRgba> imports(Media configMinimap)
      {
          Check.notNull(configMinimap);
  
          final Map<TileRef, ColorRgba> colors = new HashMap<>();
          final Xml nodeMinimap = new Xml(configMinimap);
  
          for (final Xml nodeColor : nodeMinimap.getChildren(NODE_COLOR))
          {
              final ColorRgba color = new ColorRgba(nodeColor.readInteger(ATT_COLOR_RED),
                                                    nodeColor.readInteger(ATT_COLOR_GREEN),
                                                    nodeColor.readInteger(ATT_COLOR_BLUE));
  
              for (final Xml nodeTileRef : nodeColor.getChildren(TileConfig.NODE_TILE))
              {
                  final TileRef tileRef = TileConfig.imports(nodeTileRef);
                  colors.put(tileRef, color);
              }
          }
  
          return colors;
      }
docs: Create the minimap data from node.
  
  @param configMinimap The minimap configuration media (must not be <code>null</code>).
  @return The minimap data.
  @throws LionEngineException If unable to read data.