code: public void setSubFolders(java.util.Collection<Folder> subFolders) {
          if (subFolders == null) {
              this.subFolders = null;
              return;
          }
  
          this.subFolders = new java.util.ArrayList<Folder>(subFolders);
      }
docs: <p>
  The list of folders that exist beneath the specified folder, if any.
  </p>
  
  @param subFolders
  The list of folders that exist beneath the specified folder, if any.