code: public DescribeCasesRequest withCaseIdList(String... caseIdList) {
          if (this.caseIdList == null) {
              setCaseIdList(new com.amazonaws.internal.SdkInternalList<String>(caseIdList.length));
          }
          for (String ele : caseIdList) {
              this.caseIdList.add(ele);
          }
          return this;
      }
docs: <p>
  A list of ID numbers of the support cases you want returned. The maximum number of cases is 100.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setCaseIdList(java.util.Collection)} or {@link #withCaseIdList(java.util.Collection)} if you want to
  override the existing values.
  </p>
  
  @param caseIdList
  A list of ID numbers of the support cases you want returned. The maximum number of cases is 100.
  @return Returns a reference to this object so that method calls can be chained together.