+This clearing can be switched of by the function C<no_flash_clear>
+
+=item C<flash_detail $type, $message>
+
+Display a detailed message C<$message> in the flash of type C<$type>. Multiple calls of
+C<flash_detail> on the same C<$self> will be merged by type.
+So the flash message can be hold short and the visibility of details can toggled by the user.
+
+=item C<no_flash_clear>
+
+No automatic clearing of flash after successful ClientJS call