code: public HlsGroupSettings withAdMarkers(String... adMarkers) {
          if (this.adMarkers == null) {
              setAdMarkers(new java.util.ArrayList<String>(adMarkers.length));
          }
          for (String ele : adMarkers) {
              this.adMarkers.add(ele);
          }
          return this;
      }
docs: Choose one or more ad marker types to pass SCTE35 signals through to this group of Apple HLS outputs.
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setAdMarkers(java.util.Collection)} or {@link #withAdMarkers(java.util.Collection)} if you want to
  override the existing values.
  </p>
  
  @param adMarkers
  Choose one or more ad marker types to pass SCTE35 signals through to this group of Apple HLS outputs.
  @return Returns a reference to this object so that method calls can be chained together.
  @see HlsAdMarkers