indirect( builder ) {

		const { ambientOcclusion, irradiance, reflectedLight } = builder.context;

		reflectedLight.indirectDiffuse.addAssign( irradiance.mul( BRDF_Lambert( { diffuseColor } ) ) );

		reflectedLight.indirectDiffuse.mulAssign( ambientOcclusion );

	}
Implements the indirect lighting.

@param {NodeBuilder} builder - The current node builder.