@JsonPropertyDescription("The maximum number of clauses that a boolean search can contain.")
    public int getMaxBooleanClauseCount() {
        return maxBooleanClauseCount;
    }
We don't want to collect more than 10k doc's data into the queue by
default. When the queue is full the index shard data tasks will pause
until the docs are drained from the queue.
stroom-search/stroom-search-impl/src/main/java/stroom/search/impl/SearchConfig.java