constructor( batchMesh ) {

		super( 'void' );

		/**
		 * A reference to batched mesh.
		 *
		 * @type {BatchedMesh}
		 */
		this.batchMesh = batchMesh;

		/**
		 * The batching index node.
		 *
		 * @type {?IndexNode}
		 * @default null
		 */
		this.batchingIdNode = null;

	}
Constructs a new batch node.

@param {BatchedMesh} batchMesh - A reference to batched mesh.