public Integer getNumberOfTrainedDocuments() {
        return this.numberOfTrainedDocuments;
    }
<p>
The number of documents in the input data that were used to train the entity recognizer. Typically this is 80 to
90 percent of the input documents.
</p>

@return The number of documents in the input data that were used to train the entity recognizer. Typically this
        is 80 to 90 percent of the input documents.
aws-java-sdk-comprehend/src/main/java/com/amazonaws/services/comprehend/model/EntityRecognizerMetadata.java