list_cell_properties
Description:
[ CCode ( array_length_pos = 0.1 ,  array_length_type = "guint" ,  cname = "gtk_cell_area_class_list_cell_properties" ) ]
public class (unowned ParamSpec)[] list_cell_properties ()
  public class (unowned ParamSpec)[] list_cell_properties ()
Returns all cell properties of a cell area class.
Parameters:
| this | a `GtkCellAreaClass` | 
| n_properties | location to return the number of cell properties found | 
Returns:
| a newly allocated null-terminated array of `GParamSpec`*. The array must be freed with g_free. |