The search engine associated with the URL passed in to
nsISearchEngine::parseSubmissionURL, or null if the URL does not represent
a search submission.
String containing the sought terms. This can be an empty string in case no
terms were specified or the URL does not represent a search submission.
The offset of the string |terms| in the URL passed in to
nsISearchEngine::parseSubmissionURL, or -1 if the URL does not represent
a search submission.
The length of the |terms| in the original encoding of the URL passed in to
nsISearchEngine::parseSubmissionURL. If the search term in the original
URL is encoded then this will be bigger than |terms.length|.