public void setParameterVersion(Long parameterVersion) {
        this.parameterVersion = parameterVersion;
    }
<p>
The specific version of the parameter which you want to delete one or more labels from. If it isn't present, the
call will fail.
</p>

@param parameterVersion
       The specific version of the parameter which you want to delete one or more labels from. If it isn't
       present, the call will fail.
aws-java-sdk-ssm/src/main/java/com/amazonaws/services/simplesystemsmanagement/model/UnlabelParameterVersionRequest.java