processFilter = function processFilter(object) {
	        object.children.forEach(function (el, index) {
	          if (el.children) processFilter(el);
	          if (!_filter(el)) object.children.splice(index, 1);
	        });
	        return object;
	      }
@method filter
@description Default values for filter
@static
@param {THREE.Mesh} object Instance for iterating through it's children.
@param {Function} filter Function with child as argument, should return a boolean whether include the child or not.
@return {THREE.Mesh} object with children
@memberof module:components/meshes.Importer
@example <caption>Removing unnecessary lights from children</caption>
new Importer({
  loader: new THREE.OBJLoader(),

  parse(group) { // data from loader
    return Importer.filter(group, child => !child.isLight); // remove lights
  },

  position: [0, 100, 0]
}).addTo(app);