public String getOwnerAccountId() {
        return this.ownerAccountId;
    }
<p>
The Amazon Web Services account ID number of the owner of the Identity Center instance.
</p>

@return The Amazon Web Services account ID number of the owner of the Identity Center instance.
aws-java-sdk-ssoadmin/src/main/java/com/amazonaws/services/ssoadmin/model/InstanceMetadata.java