nl_tokens: Reads a use declaration ebnf use_declaration :: = use_type? namespace_name use_alias
pl_tokens: function ( typed ) { const result = this . <mask> ( "useitem" ) ; let type = null ; if ( typed ) type = this . read_use_type ( ) ; const name = this . read_namespace_name ( ) ; const alias = this . read_use_alias ( ) ; return result ( name . name , alias , type ) ; }