         }
                    }
                }
            }

            static get observers() {
                return [
                    'setEditStationMachine(editStationItems.st_machine)'
                ]
            }
            
            getStationNumber(length) {
                if (length > 0) {
                    return length + 1
                } else {
                    return 1
                }
            }

            computeMachineCount(m) {
                if (m) {
      