using afBeanUtils** (Service) -** Maintains and provides access to 'GlobalCommand' instances.@Jsmixin GlobalCommands {** Returns the command that was contributed with the given id.** ** syntax: fantom** myCmd := globalCommands.get("myCmd")** ** myCmd := globalCommands["myCmd"] @Operatorabstract GlobalCommand get(Str id)}@Jsinternalclass GlobalCommandsImpl : GlobalCommands { Str:GlobalCommand cmdsnew make(Str:GlobalCommand cmds){this.cmds = cmds}override GlobalCommand get(Str cmdId){ cmds[cmdId] ?: throw ArgNotFoundErr("Could not find a GlobalCommand with Id '${cmdId}'", cmds.keys)}}