public void setAllocationMinNetmaskLength(Integer allocationMinNetmaskLength) {
        this.allocationMinNetmaskLength = allocationMinNetmaskLength;
    }
<p>
The minimum netmask length required for CIDR allocations in this IPAM pool to be compliant. The minimum netmask
length must be less than the maximum netmask length. Possible netmask lengths for IPv4 addresses are 0 - 32.
Possible netmask lengths for IPv6 addresses are 0 - 128.
</p>

@param allocationMinNetmaskLength
       The minimum netmask length required for CIDR allocations in this IPAM pool to be compliant. The minimum
       netmask length must be less than the maximum netmask length. Possible netmask lengths for IPv4 addresses
       are 0 - 32. Possible netmask lengths for IPv6 addresses are 0 - 128.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/CreateIpamPoolRequest.java