org.jruby.runtime
Interfaces 
BlockCallback
CompiledBlockCallback
ErrorLogger
EventHook
IAccessor
IRaiseListener
MethodCacheSite
ObjectAllocator
ObjectMarshal
Classes 
Arity
Block
CacheMap
CallbackFactory
CallBlock
CallType
ClassIndex
CompiledBlock
Constants
DynamicScope
Frame
GlobalVariable
GlobalVariable.Copy
Iter
MethodBlock
MethodFactory
MethodIndex
MethodSelectorTable
ObjectSpace
ReadonlyGlobalVariable
RubyOptions
RubyOptions.JavaSupport
SharedScopeBlock
ThreadContext
Visibility