<!-- ##### SECTION Title ##### --> caja-column-provider <!-- ##### SECTION Short_Description ##### --> <!-- ##### SECTION Long_Description ##### --> <para> </para> <!-- ##### SECTION See_Also ##### --> <para> </para> <!-- ##### SECTION Stability_Level ##### --> <!-- ##### SECTION Image ##### --> <!-- ##### STRUCT CajaColumnProvider ##### --> <para> </para> <!-- ##### STRUCT CajaColumnProviderIface ##### --> <para> </para> @g_iface: @get_columns: <!-- ##### FUNCTION caja_column_provider_get_columns ##### --> <para> </para> @provider: @Returns: