@Nonnull
	private TreeContent toContent(@Nonnull ClassPathNode value) {
		return new ContextualClassTreeContent(value);
	}
Pane to display the current mapping progress of classes in the workspace.
Classes change color to indicate if they are mapped or not, and how fully mapped their declared members are.

@author Matt Coley
@see MappingProgressWindow
recaf-ui/src/main/java/software/coley/recaf/ui/pane/MappingProgressPane.java