code: public DescribeSMBFileSharesRequest withFileShareARNList(String... fileShareARNList) {
          if (this.fileShareARNList == null) {
              setFileShareARNList(new com.amazonaws.internal.SdkInternalList<String>(fileShareARNList.length));
          }
          for (String ele : fileShareARNList) {
              this.fileShareARNList.add(ele);
          }
          return this;
      }
docs: <p>
  An array containing the Amazon Resource Name (ARN) of each file share to be described.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setFileShareARNList(java.util.Collection)} or {@link #withFileShareARNList(java.util.Collection)} if you
  want to override the existing values.
  </p>
  
  @param fileShareARNList
  An array containing the Amazon Resource Name (ARN) of each file share to be described.
  @return Returns a reference to this object so that method calls can be chained together.