code: public ReportDefinition withAdditionalArtifacts(String... additionalArtifacts) {
          if (this.additionalArtifacts == null) {
              setAdditionalArtifacts(new java.util.ArrayList<String>(additionalArtifacts.length));
          }
          for (String ele : additionalArtifacts) {
              this.additionalArtifacts.add(ele);
          }
          return this;
      }
docs: <p>
  A list of manifests that you want Amazon Web Services to create for this report.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setAdditionalArtifacts(java.util.Collection)} or {@link #withAdditionalArtifacts(java.util.Collection)}
  if you want to override the existing values.
  </p>
  
  @param additionalArtifacts
  A list of manifests that you want Amazon Web Services to create for this report.
  @return Returns a reference to this object so that method calls can be chained together.
  @see AdditionalArtifact