question: test if a registry entry has already been created . concode_field_sep String[] aliases concode_elem_sep int aliaslen concode_elem_sep String FACTORY_POSTFIX concode_elem_sep URLClassLoader CLASSLOADER concode_elem_sep int len concode_elem_sep Map<Class<?>,Entry> data concode_elem_sep String[] EMPTY_ALIASES concode_elem_sep Class<?> FAILED_LOAD concode_elem_sep Logging LOG concode_elem_sep String[] names concode_elem_sep Class<?>[] clazzes concode_field_sep void registerAlias concode_elem_sep Class<? extends C> findImplementation concode_elem_sep void addAlias concode_elem_sep Class<?> tryLoadClass concode_elem_sep List<Class<?>> findAllImplementations concode_elem_sep List<Class<?>> findAllImplementations concode_elem_sep void addHit concode_elem_sep void addName concode_elem_sep void register concode_elem_sep void register
target: boolean function ( Class < ? > arg0 ) { return data . containsKey ( arg0 ) ; }