nl_tokens: This is used for classifying time and gauge values .
pl_tokens: function makeThresholdsSieve ( options , defaults ) { if ( ! options ) options = { } ; // Pre-apply defaults. Object . keys ( defaults ) . forEach ( key => options [ key ] || ( options [ key ] = defaults [ key ] ) ) ; return ( key , overrides ) => { if ( overrides && overrides [ key ] !== void 0 ) return overrides [ key ] ; return <mask> [ key ] ; } }