question: returns numbers currently noted in cell . concode_field_sep CellNote EMPTY concode_elem_sep Set<Integer> mNotedNumbers concode_field_sep void serialize concode_elem_sep String serialize concode_elem_sep CellNote toggleNumber concode_elem_sep CellNote removeNumber concode_elem_sep CellNote clear concode_elem_sep boolean isEmpty concode_elem_sep CellNote addNumber concode_elem_sep CellNote fromIntArray concode_elem_sep CellNote deserialize
target: Set < Integer > function ( ) { return mNotedNumbers ; }