get the index of the layer in the collection , or -1 if no such layer exists . concode_field_sep Array<MapLayer> layers concode_field_sep void add concode_elem_sep Iterator<MapLayer> iterator concode_elem_sep Array<T> getByType concode_elem_sep Array<T> getByType concode_elem_sep MapLayer get concode_elem_sep MapLayer get concode_elem_sep int getCount concode_elem_sep void remove concode_elem_sep void remove
int function ( MapLayer arg0 ) { return layers . indexOf ( arg0 , true ) ; }