pub unsafe extern "C" fn zvec_collection_get_schema(
collection: *const zvec_collection_t,
schema: *mut *mut zvec_collection_schema_t,
) -> zvec_error_code_tpub unsafe extern "C" fn zvec_collection_get_schema(
collection: *const zvec_collection_t,
schema: *mut *mut zvec_collection_schema_t,
) -> zvec_error_code_t