question: returns the depth . concode_field_sep T next concode_elem_sep T head concode_elem_sep T parent concode_elem_sep T previous concode_elem_sep int size concode_elem_sep T tail concode_field_sep T getPrevious concode_elem_sep T getParent concode_elem_sep void insertFirst concode_elem_sep void beforeInsert concode_elem_sep void insertAt concode_elem_sep void afterInsert concode_elem_sep T getNext concode_elem_sep T getLast concode_elem_sep void insertAfter concode_elem_sep void remove concode_elem_sep void insertBefore concode_elem_sep int getSize concode_elem_sep void beforeRemove concode_elem_sep T getFirst concode_elem_sep T get concode_elem_sep ListIterator<T> listIterator concode_elem_sep void afterRemove concode_elem_sep void insertLast
target: int function ( ) { int loc0 = 0 ; for ( T loc1 = parent ; loc1 != null ; loc1 = ( ( ListTree < T > ) loc1 ) . parent ) { loc0 ++ ; } return loc0 ; }