docs: private void installMetaClassCreationHandle() {
             try {
                 final Class customMetaClassHandle = Class.forName("groovy.runtime.metaclass.CustomMetaClassCreationHandle");
                 final Constructor customMetaClassHandleConstructor = customMetaClassHandle.getConstructor();
                   this.metaClassCreationHandle = (MetaClassCreationHandle)customMetaClassHandleConstructor.newInstance();
             } catch (final ClassNotFoundException e) {
                 this.metaClassCreationHandle = new MetaClassCreationHandle();
             } catch (final Exception e) {
                 throw new GroovyRuntimeException("Could not instantiate custom Metaclass creation handle: "+ e, e);
             }
      }