public Long getAmazonSideAsn() {
        return this.amazonSideAsn;
    }
<p>
A private Autonomous System Number (ASN) for the Amazon side of a BGP session. The range is 64512 to 65534 for
16-bit ASNs and 4200000000 to 4294967294 for 32-bit ASNs.
</p>

@return A private Autonomous System Number (ASN) for the Amazon side of a BGP session. The range is 64512 to
        65534 for 16-bit ASNs and 4200000000 to 4294967294 for 32-bit ASNs.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/TransitGatewayOptions.java