code: public BatchGetRepositoriesResult withRepositoriesNotFound(String... repositoriesNotFound) {
          if (this.repositoriesNotFound == null) {
              setRepositoriesNotFound(new java.util.ArrayList<String>(repositoriesNotFound.length));
          }
          for (String ele : repositoriesNotFound) {
              this.repositoriesNotFound.add(ele);
          }
          return this;
      }
docs: <p>
  Returns a list of repository names for which information could not be found.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setRepositoriesNotFound(java.util.Collection)} or {@link #withRepositoriesNotFound(java.util.Collection)}
  if you want to override the existing values.
  </p>
  
  @param repositoriesNotFound
  Returns a list of repository names for which information could not be found.
  @return Returns a reference to this object so that method calls can be chained together.