pub unsafe extern "C" fn rd_kafka_UserScramCredentialUpsertion_new(
username: *const i8,
mechanism: rd_kafka_ScramMechanism_t,
iterations: i32,
password: *const u8,
password_size: usize,
salt: *const u8,
salt_size: usize
) -> *mut rd_kafka_UserScramCredentialAlteration_s