public void add(String field, String content) throws IOException {
        _add(field, generalAnalyzer, content);
    }
@deprecated use {@link CompositeTextStatsCalculator}
with {@link TokenEntropy},
{@link TokenLengths}
and {@link TopNTokens}.
tika-eval/tika-eval-core/src/main/java/org/apache/tika/eval/core/tokens/TokenCounter.java