public List<CapturedForward<? extends KForward, ? extends VForward>> forwarded() {
        return new LinkedList<>(capturedForwards);
    }
Get all the forwarded data this context has observed. The returned list will not be
affected by subsequent interactions with the context. The data in the list is in the same order as the calls to
{@code forward(...)}.

@return A list of records that were previously passed to the context.
streams/test-utils/src/main/java/org/apache/kafka/streams/processor/api/MockProcessorContext.java