three.js/examples/jsm/nodes/procedural/CheckerNode.d.ts

import { TempNode } from '../core/TempNode';
import { NodeBuilder } from '../core/NodeBuilder';
import { FunctionNode } from '../core/FunctionNode';
import { UVNode } from '../accessors/UVNode';
import { UVTransformNode } from '../utils/UVTransformNode';

export class CheckerNode extends TempNode {
  constructor(uv?: UVNode | UVTransformNode);

  uv: UVNode | UVTransformNode;
  nodeType: string;

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

  static Nodes: {
    checker: FunctionNode;
  };
}