get the list of expected children . concode_field_sep Set<String> illegalAttributes concode_elem_sep List<DocumentElement> expectedChildren concode_elem_sep String tag concode_elem_sep Map<String,String> expectedAttributes concode_field_sep void addExpectedAttribute concode_elem_sep Tag addExpectedChild concode_elem_sep Map<String,String> getExpectedAttributes concode_elem_sep Set<String> getIllegalAttributes concode_elem_sep String toString concode_elem_sep String getTag concode_elem_sep void addIllegalAttribute
List < DocumentElement > function ( ) { return expectedChildren ; }