* - security_settings: A callback function which returns an associative * array of Form API elements for a settings form. * - _services_oauth_security_settings_validate: The name of a standard form * validation callback for the form defined in 'security_settings'. * - _services_oauth_security_settings_submit: The name of a standard form * submit callback for the form defined in 'security_settings'. * - alter_methods: The name of a callback function which will alter a * services method signature in order to add required arguments. * - file: An include file which contains the authentication callbacks. */ function hook_services_authentication_info() { }