nl_tokens: Get the metadata for a given file ID .
pl_tokens: function ( <mask> ) { return this . _request ( 'GET' , BASE_URL + '/drive/v2/files/' + id , { } ) . then ( function ( response ) { if ( response . status === 200 ) { return Promise . resolve ( JSON . parse ( response . responseText ) ) ; } else { return Promise . reject ( "request (getting metadata for " + id + ") failed with status: " + response . status ) ; } } ) ; }