code: public EventFilter withEventTypeCodes(String... eventTypeCodes) {
          if (this.eventTypeCodes == null) {
              setEventTypeCodes(new java.util.ArrayList<String>(eventTypeCodes.length));
          }
          for (String ele : eventTypeCodes) {
              this.eventTypeCodes.add(ele);
          }
          return this;
      }
docs: <p>
  A list of unique identifiers for event types. For example,
  <code>"AWS_EC2_SYSTEM_MAINTENANCE_EVENT","AWS_RDS_MAINTENANCE_SCHEDULED"</code>
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setEventTypeCodes(java.util.Collection)} or {@link #withEventTypeCodes(java.util.Collection)} if you want
  to override the existing values.
  </p>
  
  @param eventTypeCodes
  A list of unique identifiers for event types. For example,
  <code>"AWS_EC2_SYSTEM_MAINTENANCE_EVENT","AWS_RDS_MAINTENANCE_SCHEDULED"</code>
  @return Returns a reference to this object so that method calls can be chained together.