public NetworkAclEntry withCidrBlock(String cidrBlock) {
        setCidrBlock(cidrBlock);
        return this;
    }
<p>
The IPv4 network range to allow or deny, in CIDR notation.
</p>

@param cidrBlock
       The IPv4 network range to allow or deny, in CIDR notation.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/NetworkAclEntry.java