public void setDestinationCidrBlock(String destinationCidrBlock) {
        this.destinationCidrBlock = destinationCidrBlock;
    }
<p>
The CIDR block used for destination matches. The value that you provide must match the CIDR of an existing route
in the table.
</p>

@param destinationCidrBlock
       The CIDR block used for destination matches. The value that you provide must match the CIDR of an existing
       route in the table.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/ModifyLocalGatewayRouteRequest.java