function getClass(vType) {
			if ( typeof vType === "function" ) {
				return vType;
			}
			if (typeof vType === "string" ) {
				const oType = ObjectPath.get(vType);
				if (oType != null) {
					Log.error(`Defining the object type ('${vType}') via its string name is deprecated, since it leads to accesses to the global namespace. ` +
					`The object type either stems from an explicitly given 'Type' value or was inferred from the default aggregation type. ` +
					`Please require the respective object type module beforehand. ` +
					`For control development, please also refer to the runtime metadata property 'defaultClass', which allows you to specify a default aggregation class type via constructor reference.`);
				}
				return oType;
			}
		}
Retrieval of class constructor via global (class name string in dot notation).
@deprecated since 1.120