code: public RequestLaunchTemplateData withSecurityGroupIds(String... securityGroupIds) {
          if (this.securityGroupIds == null) {
              setSecurityGroupIds(new com.amazonaws.internal.SdkInternalList<String>(securityGroupIds.length));
          }
          for (String ele : securityGroupIds) {
              this.securityGroupIds.add(ele);
          }
          return this;
      }
docs: <p>
  One or more security group IDs. You can create a security group using <a>CreateSecurityGroup</a>. You cannot
  specify both a security group ID and security name in the same request.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setSecurityGroupIds(java.util.Collection)} or {@link #withSecurityGroupIds(java.util.Collection)} if you
  want to override the existing values.
  </p>
  
  @param securityGroupIds
  One or more security group IDs. You can create a security group using <a>CreateSecurityGroup</a>. You
  cannot specify both a security group ID and security name in the same request.
  @return Returns a reference to this object so that method calls can be chained together.