public CreateAppBlockBuilderRequest withPlatform(AppBlockBuilderPlatformType platform) {
        this.platform = platform.toString();
        return this;
    }
<p>
The platform of the app block builder.
</p>
<p>
<code>WINDOWS_SERVER_2019</code> is the only valid value.
</p>

@param platform
       The platform of the app block builder.</p>
       <p>
       <code>WINDOWS_SERVER_2019</code> is the only valid value.
@return Returns a reference to this object so that method calls can be chained together.
@see AppBlockBuilderPlatformType
aws-java-sdk-appstream/src/main/java/com/amazonaws/services/appstream/model/CreateAppBlockBuilderRequest.java