code: public Location withS3(CodeGenNodeArg... s3) {
          if (this.s3 == null) {
              setS3(new java.util.ArrayList<CodeGenNodeArg>(s3.length));
          }
          for (CodeGenNodeArg ele : s3) {
              this.s3.add(ele);
          }
          return this;
      }
docs: <p>
  An Amazon S3 location.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setS3(java.util.Collection)} or {@link #withS3(java.util.Collection)} if you want to override the
  existing values.
  </p>
  
  @param s3
  An Amazon S3 location.
  @return Returns a reference to this object so that method calls can be chained together.