try (GZIPOutputStream gos = new GZIPOutputStream(baos)) {
                    gos.write(hash.getBytes(Constants.UTF_8));
                }
                return SIMILAR_DOC_HASH_PREFIX + Base64.getUrlEncoder().withoutPadding().encodeToString(baos.toByteArray());
            } catch (final IOException e) {
                logger.warn("Failed to encode similar document hash: hash={}", hash, e);
            }
        }
        return hash;

        try {
            final String json = mapper.writeValueAsString(compactList);
            final byte[] compressed = gzipCompress(json.getBytes(StandardCharsets.UTF_8));
            return Base64.getUrlEncoder().withoutPadding().encodeToString(compressed);
        } catch (final Exception e) {
            throw new SearchQueryException("Failed to serialize a query: " + Arrays.toString(parameters), e);
        }
    }

    /**