check asset attribute is applicability for assettype

RAM API have isRestrictedSetting and isSingleSetting methods to find if attributes have freeform or list or selectbox implementation.

But if we want to check if certain attribute is applicable to certain asset type, than how do we check that.....

or to get list of attributes applicable to certain asset type.


Also see if you can answer :
http://jazz.net/forums/viewtopic.php?t=12444
http://jazz.net/forums/viewtopic.php?t=12354
http://jazz.net/forums/viewtopic.php?t=12488

Thanks in Advance.