create a callable that always returns null . concode_field_sep IThrowingRunnableWithParameter<PARAMTYPE> m_aRunnable concode_elem_sep DATATYPE m_aResult concode_field_sep DATATYPE call concode_elem_sep String toString
AdapterThrowingRunnableToCallableWithParameter < Object , PARAMTYPE > function ( @ Nonnull final IThrowingRunnableWithParameter < PARAMTYPE > arg0 ) { return new AdapterThrowingRunnableToCallableWithParameter < Object , PARAMTYPE > ( arg0 ) ; }