public void setConstraint(String constraint) {
        this.constraint = constraint;
    }
<p>
The invalid or out-of-range validation constraint in your JSON schema that failed validation.
</p>

@param constraint
       The invalid or out-of-range validation constraint in your JSON schema that failed validation.
aws-java-sdk-appconfig/src/main/java/com/amazonaws/services/appconfig/model/InvalidConfigurationDetail.java