public AssociateAppBlockBuilderAppBlockRequest withAppBlockArn(String appBlockArn) {
        setAppBlockArn(appBlockArn);
        return this;
    }
<p>
The ARN of the app block.
</p>

@param appBlockArn
       The ARN of the app block.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-appstream/src/main/java/com/amazonaws/services/appstream/model/AssociateAppBlockBuilderAppBlockRequest.java