[E8] Required classes

APIBuilder
Array
Behavior
BlockClosure
BlockNode
BlockSequenceNode
Boolean
Class
Collection
CompiledMethod
Compiler
CompilerNode
CompilerNodeVisitor
EventManager
ExtendedSequenceNode
KeyedCollection
MethodNode
Number
Object
PPActionParser
PPAndParser
PPCharacterParser
PPChoiceParser
PPDelegateParser
PPEOFParser
PPEpsilonParser
PPFailure
PPFlattenParser
PPInlineParser
PPListParser
PPNotParser
PPParser
PPRepeatingParser
PPSequenceParser
PPSourceParser
PPStringParser
PoolDictionary
RegularExpression
ReturnNode
SendNode
SequenceNode
SequenceableCollection
Smalltalk
SmalltalkParser
Stream
String
StringStream
SystemManager
ValueNode