pub unsafe extern "C" fn lgraph_api_vertex_iterator_set_fields_by_value_strings(
it: *mut lgraph_api_vertex_iterator_t,
field_names: *const *const c_char,
field_names_len: usize,
field_value_strings: *const *const c_char,
field_value_strings_len: usize,
errptr: *mut *mut c_char,
)