this is in the upgrades file (in T_2_5_0_125)
# Updates for plugins/FireHose
INSERT INTO ajax_ops VALUES (NULL, 'firehose_fetch_new', 'Slash::FireHose', 'ajaxFireHoseFetchNew', 'ajax_user', 'createuse');
INSERT INTO ajax_ops VALUES (NULL, 'firehose_check_removed', 'Slash::FireHose', 'ajaxFireHoseCheckRemoved', 'ajax_user', 'createuse');
but it's not in plugins/FireHose/mysql_dump.sql