language: The language code of the project you wish to query, if appropriate.
project: The project you wish to query ("wikiquote"), if appropriate. Should be provided in conjunction with language.
domain: as an alternative to a language and project combination, you can also provide a domain ("rationalwiki.org") to the URL constructor, allowing for the querying of non-Wikimedia MediaWiki instances.
page: the title of the page you want the links of.
protocol: limit links to those with certain link protocols. Options are listed in Special:ApiSandbox's elprotocol field.
clean_response: whether to do some basic sanitising of the resulting data structure. Set to FALSE by default.