org.apache.jmeter.functions
Interfaces 
Function
Classes 
AbstractFunction
BeanShell
CSVRead
FileRowColContainer
FileRowColContainer.Test
FileWrapper
IntSum
IterationCounter
JavaScript
LogFunction
LogFunction2
MachineName
PackageTest
Property
Property2
Random
RegexFunction
RegexFunction.Test
SplitFunction
StringFromFile
ThreadNumber
Exceptions 
InvalidVariableException