returns the required declaration of a model item . concode_field_sep String relevant concode_elem_sep String readonly concode_elem_sep String datatype concode_elem_sep Map<String,String> customMIPs concode_elem_sep String p3ptype concode_elem_sep String constraint concode_elem_sep String calculate concode_elem_sep List constraints concode_elem_sep Log LOGGER concode_elem_sep String required concode_field_sep void setRelevant concode_elem_sep void setDatatype concode_elem_sep void setRequired concode_elem_sep void setConstraints concode_elem_sep void addConstraint concode_elem_sep String getReadonly concode_elem_sep void setCustomMIPs concode_elem_sep void setP3PType concode_elem_sep String getP3PType concode_elem_sep void setReadonly concode_elem_sep Map<String,String> getCustomMIPs concode_elem_sep String getDatatype concode_elem_sep List getConstraints concode_elem_sep void setConstraint concode_elem_sep String getRelevant concode_elem_sep String getConstraint concode_elem_sep String getCalculate concode_elem_sep void setCalculate
String function ( ) { return this . required ; }