three.js/examples/jsm/nodes/utils/JoinNode.d.ts

import { TempNode } from '../core/TempNode';

export class JoinNode extends TempNode {

	constructor( x: Node, y: Node, z?: Node, w?: Node );

	x: Node;
	y: Node;
	z: Node | undefined;
	w: Node | undefined;
	nodeType: string;

	getNumElements(): number;
	copy( source: JoinNode ): this;

}