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

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

export class SubSlots extends TempNode {
  constructor(slots?: object);

  slots: Node[];

  generate(builder: NodeBuilder, output: string): string;
  copy(source: SubSlots): this;
}