code: public BrokerEngineType withEngineVersions(EngineVersion... engineVersions) {
          if (this.engineVersions == null) {
              setEngineVersions(new java.util.ArrayList<EngineVersion>(engineVersions.length));
          }
          for (EngineVersion ele : engineVersions) {
              this.engineVersions.add(ele);
          }
          return this;
      }
docs: The list of engine versions.
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setEngineVersions(java.util.Collection)} or {@link #withEngineVersions(java.util.Collection)} if you want
  to override the existing values.
  </p>
  
  @param engineVersions
  The list of engine versions.
  @return Returns a reference to this object so that method calls can be chained together.