three.js/examples/jsm/renderers/common/Constants.js

export const AttributeType = {
	VERTEX: 1,
	INDEX: 2,
	STORAGE: 4
};

// size of a chunk in bytes (STD140 layout)

export const GPU_CHUNK_BYTES = 16;

// @TODO: Move to src/constants.js

export const BlendColorFactor = 211;
export const OneMinusBlendColorFactor = 212;