pub unsafe extern "C" fn zvec_collection_fetch(
collection: *mut zvec_collection_t,
primary_keys: *const *const c_char,
count: usize,
output_fields: *const *const c_char,
output_field_count: usize,
include_vector: bool,
documents: *mut *mut *mut zvec_doc_t,
found_count: *mut usize,
) -> zvec_error_code_t