+ /**
+ * An optional cache map that maps scene graph {@link INode}s to
+ * {@link IElement}s to speed up IElement lookups based on SG nodes.
+ *
+ * @since 1.36.0
+ * @see PickContextImpl
+ * @see ElementPainter
+ */
+ public static final Key NODE_TO_ELEMENT_MAP = new KeyOf(Map.class, "NODE_TO_ELEMENT_MAP");
+