nl: sets the parent of this change . requires that this change is n't already connected to a parent . the parent can be null to disconnect this change from a parent . concode_field_sep boolean fIsEnabled concode_elem_sep Change fParent concode_field_sep ChangeDescriptor getDescriptor concode_elem_sep T getAdapter concode_elem_sep Change getParent concode_elem_sep Object[] getAffectedObjects concode_elem_sep String getName concode_elem_sep RefactoringStatus isValid concode_elem_sep Change perform concode_elem_sep Object getModifiedElement concode_elem_sep void setEnabled concode_elem_sep boolean isEnabled concode_elem_sep void initializeValidationData concode_elem_sep void setEnabledShallow concode_elem_sep void dispose
code: void function ( Change arg0 ) { if ( arg0 != null ) Assert . isTrue ( fParent == null ) ; fParent = arg0 ; }