isReference( type ) {

		return type === 'void' || type === 'property' || type === 'sampler' || type === 'samplerComparison' || type === 'texture' || type === 'cubeTexture' || type === 'storageTexture' || type === 'depthTexture' || type === 'texture3D';

	}
Whether the given type is a reference type or not.

@param {string} type - The type to check.
@return {boolean} Whether the given type is a reference type or not.