code: func (a *ACL) BindingRuleCreate(rule *ACLBindingRule, q *WriteOptions) (*ACLBindingRule, *WriteMeta, error) {
  	if rule.ID != "" {
  		return nil, nil, fmt.Errorf("Cannot specify an ID in Binding Rule Creation")
  	}
  
  	r := a.c.newRequest("PUT", "/v1/acl/binding-rule")
  	r.setWriteOptions(q)
  	r.obj = rule
  	rtt, resp, err := requireOK(a.c.doRequest(r))
  	if err != nil {
  		return nil, nil, err
  	}
  	defer resp.Body.Close()
  
  	wm := &WriteMeta{RequestTime: rtt}
  	var out ACLBindingRule
  	if err := decodeBody(resp, &out); err != nil {
  		return nil, nil, err
  	}
  
  	return &out, wm, nil
  }
docs: // BindingRuleCreate will create a new binding rule. It is not allowed for the
  // binding rule parameter's ID field to be set as this will be generated by
  // Consul while processing the request.