// Copyright 2016 The Mellium Contributors.// Use of this source code is governed by the BSD 2-clause license that can be// found in the LICENSE file.// Package sasl implements the Simple Authentication and Security Layer (SASL)// as defined by RFC 4422.//// Most users of this package will only need to create a Negotiator using// NewClient or NewServer and call its Step method repeatedly.// Authors implementing SASL mechanisms other than the builtin ones will want to// create a Mechanism struct which will likely use the other methods on the// Negotiator.//// Be advised: This API is still unstable and is subject to change.packagesasl// import "mellium.im/sasl"