constructor( sourceNode, components, targetNode ) {

		super();

		/**
		 * The node that should be updated.
		 *
		 * @type {Node}
		 */
		this.sourceNode = sourceNode;

		/**
		 * The components that should be updated.
		 *
		 * @type {string}
		 */
		this.components = components;

		/**
		 * The value node.
		 *
		 * @type {Node}
		 */
		this.targetNode = targetNode;

	}
Constructs a new set node.

@param {Node} sourceNode - The node that should be updated.
@param {string} components - The components that should be updated.
@param {Node} targetNode - The value node.