Jump the cursor by the given number of lines
Overridden from Efl.Text_Cursor.cursor_line_jump_by.
cursor_line_jump_by @pure_virtual { params { @in cur: ptr(Efl.Text_Cursor_Cursor); @in by: int; } }
void efl_text_cursor_line_jump_by(Eo *obj, Efl_Text_Cursor_Cursor *cur, int by);