pub trait TableCellExt: 'static {
// Required methods
fn get_column_span(&self) -> i32;
fn get_position(&self) -> Option<(i32, i32)>;
fn get_row_column_span(&self) -> Option<(i32, i32, i32, i32)>;
fn get_row_span(&self) -> i32;
fn get_table(&self) -> Option<Object>;
}