@Override
    public SystemInfoResult getSystemInfo() {
        throw new BadRequestException(
                "You must provide a shard ID using the query parameter " + PARAM_NAME_SHARD_ID);
    }
Provides system information for inspecting index shards.
Gets counts of documents grouped by stream id.
Requires the shardId as a query parameter.
stroom-index/stroom-index-impl/src/main/java/stroom/index/impl/IndexSystemInfo.java