ReflectionHelper Utility methods used by the reflection resolver code to discover the appropriate methods/constructors and fields that should be used in expressions. 
ReflectionHelper.ArgumentsMatchInfo An instance of ArgumentsMatchInfo describes what kind of match was achieved between two sets of arguments - the set that a method/constructor is expecting and the set that are being supplied at the point of invocation. 
ReflectiveConstructorResolver A constructor resolver that uses reflection to locate the constructor that should be invoked 
ReflectiveMethodResolver A method resolver that uses reflection to locate the method that should be invoked. 
ReflectivePropertyAccessor Simple PropertyAccessor that uses reflection to access properties for reading and writing. 
StandardEvaluationContext Provides a default EvaluationContext implementation. 
StandardTypeComparator A simple basic TypeComparator implementation. 
StandardTypeConverter Default implementation of the TypeConverter interface, delegating to a core Spring ConversionService
StandardTypeLocator A default implementation of a TypeLocator that uses the context classloader (or any classloader set upon it).