retrieve
abstract fun <S> retrieveOutputStateAndRef(clazz: Class<S>, label: String): <Error class: unknown class><S>
Retrieves an output previously defined by TransactionDSLInterpreter.output with a label passed in.
Return
The output StateAndRef.
Parameters
clazz
The class object holding the type of the output state expected.
label
The label of the to-be-retrieved output state.