nl_tokens: Installs the command into yargs
pl_tokens: function ( ) { return { command : "migrate [options]" , desc : "migrates a qooxdoo application to the next major version" , <mask> : "migrate" , builder : { "verbose" : { alias : "v" , describe : "enables additional progress output to console" , type : "boolean" } } , handler : function ( argv ) { return new qx . tool . cli . commands . Migrate ( argv ) . process ( ) . catch ( e => { console . error ( e . stack || e . message ) ; process . exit ( 1 ) ; } ) ; } } ; }