@Override
        public InputStream getChildInputStream(final String type) {
            final InternalSource childSource = getChild(type);
            if (childSource != null) {
                return childSource.getInputStream();
            }
            return null;
        }
Gets the output stream for this stream target.
stroom-data/stroom-data-store-mock/src/main/java/stroom/data/store/mock/MockStore.java