function makeContainer(componentType) {
	            var container = storage[componentType.main];
	            if (!container || !container[IS_CONTAINER]) {
	                container = storage[componentType.main] = {};
	                container[IS_CONTAINER] = true;
	            }
	            return container;
	        }
If a main type is container and has sub types
@param  {string}  mainType
@return {boolean}