nl_tokens: return used element
pl_tokens: function filterElement ( flJson ) { var returnJson = { "photo" : { } } ; returnJson . photo . title = flJson . photo . title ; returnJson . photo . description = flJson . photo . description ; returnJson . photo . farm = flJson . photo . farm ; returnJson . photo . id = flJson . photo . id ; returnJson . photo . media = flJson . photo . <mask> ; returnJson . photo . secret = flJson . photo . secret ; returnJson . photo . server = flJson . photo . server ; returnJson . photo . urls = flJson . photo . urls ; return returnJson ; }