public Integer getNumberOfTestDocuments() {
        return this.numberOfTestDocuments;
    }
<p>
The number of documents in the input data that were used to test the entity recognizer. Typically this is 10 to
20 percent of the input documents.
</p>

@return The number of documents in the input data that were used to test the entity recognizer. Typically this is
        10 to 20 percent of the input documents.
aws-java-sdk-comprehend/src/main/java/com/amazonaws/services/comprehend/model/EntityRecognizerMetadata.java