Review

class JSDocInfo {
  /**
   * Documents the throws (i.e. adds it to the throws list).
   */
  boolean documentThrows(JSTypeExpression type, String throwsDescription) {
    if (!lazyInitDocumentation()) {
      return true;
    }

    if (documentation.throwsDescriptions == null) {
      documentation.throwsDescriptions =
          new LinkedHashMap<JSTypeExpression, String>();
    }

    if (!documentation.throwsDescriptions.containsKey(type)) {
      documentation.throwsDescriptions.put(type, throwsDescription);
      return true;
    }

    return false;
  }

}