pub unsafe extern "C" fn rocksdb_block_based_options_set_filter_policy(
options: *mut rocksdb_block_based_table_options_t,
filter_policy: *mut rocksdb_filterpolicy_t,
)
pub unsafe extern "C" fn rocksdb_block_based_options_set_filter_policy(
options: *mut rocksdb_block_based_table_options_t,
filter_policy: *mut rocksdb_filterpolicy_t,
)