public void setAWSAccountId(String aWSAccountId) {
        this.aWSAccountId = aWSAccountId;
    }
<p>
The Amazon Web Services ID for the user pool owner.
</p>

@param aWSAccountId
       The Amazon Web Services ID for the user pool owner.
aws-java-sdk-cognitoidp/src/main/java/com/amazonaws/services/cognitoidp/model/DomainDescriptionType.java