org.springframework.util
Interfaces 
AutoPopulatingList.ElementFactory
ErrorHandler
MultiValueMap
PathMatcher
PropertiesPersister
PropertyPlaceholderHelper.PlaceholderResolver
ReflectionUtils.FieldCallback
ReflectionUtils.FieldFilter
ReflectionUtils.MethodCallback
ReflectionUtils.MethodFilter
StringValueResolver
WeakReferenceMonitor.ReleaseListener
Classes 
AntPathMatcher
Assert
AutoPopulatingList
CachingMapDecorator
ClassUtils
CollectionUtils
CommonsLogWriter
CompositeIterator
ConcurrencyThrottleSupport
CustomizableThreadCreator
DefaultPropertiesPersister
DigestUtils
FileCopyUtils
FileSystemUtils
LinkedCaseInsensitiveMap
LinkedMultiValueMap
Log4jConfigurer
MethodInvoker
NumberUtils
ObjectUtils
PatternMatchUtils
PropertyPlaceholderHelper
ReflectionUtils
ResourceUtils
SerializationUtils
StopWatch
StopWatch.TaskInfo
StringUtils
SystemPropertyUtils
TypeUtils
WeakReferenceMonitor
Exceptions 
AutoPopulatingList.ElementInstantiationException