pub unsafe extern "C" fn rd_kafka_consumer_group_metadata_read(
cgmdp: *mut *mut rd_kafka_consumer_group_metadata_t,
buffer: *const c_void,
size: size_t
) -> *mut rd_kafka_error_t
pub unsafe extern "C" fn rd_kafka_consumer_group_metadata_read(
cgmdp: *mut *mut rd_kafka_consumer_group_metadata_t,
buffer: *const c_void,
size: size_t
) -> *mut rd_kafka_error_t