@Nonnull
		public Node getConfigurator() {
			if (node == null) {
				GridPane grid = createGrid();
				fillConfigurator((key, editor) -> {
					inputs++;
					int row = grid.getRowCount();
					if (key == null) {
						grid.add(editor, 0, row, 2, 1);
					} else {
						grid.add(new BoundLabel(key), 0, row);
						grid.add(editor, 1, row);
					}
				});
				node = grid;
			}
			return node;
		}
Base to create a filter with configuration node.

@param <F>
		Filter type.
recaf-ui/src/main/java/software/coley/recaf/ui/pane/MappingGeneratorPane.java