public void setAppInstanceAdminArn(String appInstanceAdminArn) {
        this.appInstanceAdminArn = appInstanceAdminArn;
    }
<p>
The ARN of the <code>AppInstance</code>'s administrator.
</p>

@param appInstanceAdminArn
       The ARN of the <code>AppInstance</code>'s administrator.
aws-java-sdk-chime/src/main/java/com/amazonaws/services/chime/model/DeleteAppInstanceAdminRequest.java