public LinkedBlockingDeque<OutputFrame> getFrames() {
        return frames;
    }
Get access to the underlying frame buffer. Modifying the buffer contents is likely to cause problems if the
waitUntil() methods are also being used, as they feed on the same data.

@return the collection of frames
core/src/main/java/org/testcontainers/containers/output/WaitingConsumer.java