public void setThemeVersionNumber(Long themeVersionNumber) {
        this.themeVersionNumber = themeVersionNumber;
    }
<p>
The version number of the theme alias.
</p>

@param themeVersionNumber
       The version number of the theme alias.
aws-java-sdk-quicksight/src/main/java/com/amazonaws/services/quicksight/model/ThemeAlias.java