public void setValidation(ValidationData validation) {
        this.validation = validation;
    }
<p>
A manifest that you supplied for training, with validation results for each line.
</p>

@param validation
       A manifest that you supplied for training, with validation results for each line.
aws-java-sdk-rekognition/src/main/java/com/amazonaws/services/rekognition/model/TrainingDataResult.java