+=item increment_upbytes SECONDS
+
+Updates this customer's single or primary account (see L<FS::svc_acct>) by
+the specified number of upbytes. If there is an error, returns the error,
+otherwise returns false.
+
+=cut
+
+sub increment_upbytes {
+ _increment_column( shift, 'upbytes', @_);
+}
+
+=item increment_downbytes SECONDS
+
+Updates this customer's single or primary account (see L<FS::svc_acct>) by
+the specified number of downbytes. If there is an error, returns the error,
+otherwise returns false.
+
+=cut
+
+sub increment_downbytes {
+ _increment_column( shift, 'downbytes', @_);
+}
+
+=item increment_totalbytes SECONDS
+
+Updates this customer's single or primary account (see L<FS::svc_acct>) by
+the specified number of totalbytes. If there is an error, returns the error,
+otherwise returns false.
+
+=cut
+
+sub increment_totalbytes {
+ _increment_column( shift, 'totalbytes', @_);
+}
+