question: method to establish whether a treatment room is free concode_field_sep boolean patientTreated concode_elem_sep int roomNumber concode_elem_sep Date timeOutOfTreatmentRoom concode_elem_sep boolean vacant concode_elem_sep Date timeInTreatmentRoom concode_elem_sep Patient patientInTreatmentRoom concode_field_sep Patient getPatientInTreatmentRoom concode_elem_sep void setTimeInTreatmentRoom concode_elem_sep Date getTimeOutOfTreatmentRoom concode_elem_sep void setTimeOutOfTreatmentRoom concode_elem_sep void setRoomNumber concode_elem_sep void setPatientInTreatmentRoom concode_elem_sep void allocateExtraTime concode_elem_sep int getRoomNumber concode_elem_sep boolean removePatientFromTreatmentroomAutomatically concode_elem_sep boolean isVacant concode_elem_sep void dischargePatient concode_elem_sep void setVacant concode_elem_sep Date getTimeInTreatmentRoom concode_elem_sep int getPatientTriageCategory
target: void function ( Patient arg0 ) { vacant = true ; arg0 = null ; }