Renders a sphere to visualize a light probe in the scene.
		const helper = new LightProbeHelper( lightProbe, 1 );
		scene.add( helper );
		
		[example:webgl_lightprobe_cubecamera WebGL / lightprobe / cubecamera]
		[page:LightProbe lightProbe] -- the light probe.
		[page:Number size] -- size of the helper sphere
		
See the base [page:Mesh] class for common properties.
The light probe.
The size of the helper sphere.
See the base [page:Mesh] class for common methods.
Frees the GPU-related resources allocated by this instance. Call this method whenever this instance is no longer used in your app.
[link:https://github.com/mrdoob/three.js/blob/master/examples/jsm/helpers/LightProbeHelper.js examples/jsm/helpers/LightProbeHelper.js]