@Override
	protected void paintIcon( Component c, Graphics2D g ) {
		FlatTreeCollapsedIcon.setStyleColorFromTreeUI( c, g, ui -> ui.iconClosedColor );

		/*
			<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16">
			  <path fill="none" stroke="#6E6E6E" d="M13,13.5 L3,13.5 C2.17157288,13.5 1.5,12.8284271 1.5,12 L1.5,4 C1.5,3.17157288 2.17157288,2.5 3,2.5 L6.29289322,2.5 C6.42550146,2.5 6.55267842,2.55267842 6.64644661,2.64644661 L8.5,4.5 L8.5,4.5 L13,4.5 C13.8284271,4.5 14.5,5.17157288 14.5,6 L14.5,12 C14.5,12.8284271 13.8284271,13.5 13,13.5 Z"/>
			</svg>
		*/

		g.setRenderingHint( RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_PURE );

		if( path == null )
			path = FlatFileViewDirectoryIcon.createFolderPath();
		g.draw( path );
	}
"closed" icon for {@link javax.swing.JTree} used by {@link javax.swing.tree.DefaultTreeCellRenderer}.

@uiDefault Tree.icon.closedColor			Color

@author Karl Tauber
flatlaf-core/src/main/java/com/formdev/flatlaf/icons/FlatTreeClosedIcon.java