docs: public Ec2Config withSecurityGroupArns(String... securityGroupArns) {
          if (this.securityGroupArns == null) {
              setSecurityGroupArns(new java.util.ArrayList<String>(securityGroupArns.length));
          }
          for (String ele : securityGroupArns) {
              this.securityGroupArns.add(ele);
          }
          return this;
      }