Represents a Step event and any associated data.
StepRequest#tryCreateStepListener(ThreadInfo, JDIArgument*)
StepRequest#tryCreateStepListenerWithData(ThreadInfo, JDIArgument*)
StepRequest#createStepListener(ThreadInfo, JDIArgument*)
StepRequest#createStepListenerWithData(ThreadInfo, JDIArgument*)
Wraps a profile, providing DSL-like syntax.