code: public DescribeLaunchTemplatesRequest withLaunchTemplateNames(String... launchTemplateNames) {
          if (this.launchTemplateNames == null) {
              setLaunchTemplateNames(new com.amazonaws.internal.SdkInternalList<String>(launchTemplateNames.length));
          }
          for (String ele : launchTemplateNames) {
              this.launchTemplateNames.add(ele);
          }
          return this;
      }
docs: <p>
  One or more launch template names.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setLaunchTemplateNames(java.util.Collection)} or {@link #withLaunchTemplateNames(java.util.Collection)}
  if you want to override the existing values.
  </p>
  
  @param launchTemplateNames
  One or more launch template names.
  @return Returns a reference to this object so that method calls can be chained together.