Implement code generation for interfaces introduced in IGNITE-14062

public final class RestNode extends InnerNode implements RestView, RestChange, RestInit {
    private Integer port;

    private Integer portRange;

    @Override
    public int port() {
        return port;
    }

    @Override
    public RestChange changePort(int port) {
        this.port = port;
        return this;
    }

    @Override
    public RestInit initPort(int port) {
        this.port = port;
        return this;
    }

    @Override
    public int portRange() {
        return portRange;
    }

    @Override
    public RestChange changePortRange(int portRange) {
        this.portRange = portRange;
        return this;
    }

    @Override
    public RestInit initPortRange(int portRange) {
        this.portRange = portRange;
        return this;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void traverseChildren(ConfigurationVisitor visitor) {
        visitor.visitLeafNode("port", port);
        visitor.visitLeafNode("portRange", portRange);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void traverseChild(String key, ConfigurationVisitor visitor) throws NoSuchElementException {
        switch (key) {
            case "port": visitor.visitLeafNode("port", port);
                break;
            case "portRange": visitor.visitLeafNode("portRange", portRange);
                break;
            default: throw new NoSuchElementException(key);
        }
    }
}