nl_tokens: Produces an object with the opener and closer exception values
pl_tokens: function getExceptions ( ) { const openers = [ ] ; const closers = [ ] ; if ( options . braceException ) { openers . push ( '{' ) ; closers . push ( '}' ) ; } if ( <mask> . bracketException ) { openers . push ( '[' ) ; closers . push ( ']' ) ; } if ( options . parenException ) { openers . push ( '(' ) ; closers . push ( ')' ) ; } if ( options . empty ) { openers . push ( ')' ) ; closers . push ( '(' ) ; } return { openers , closers } ; }