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// Copyright 2020-2022 The NATS Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
//! Publish `JetStream` messages.
use serde::{Deserialize, Serialize};
use std::ops::Not;

/// `PublishAck` is an acknowledgment received after successfully publishing a message.
#[derive(Debug, Default, Serialize, Deserialize, Clone, PartialEq, Eq)]
pub struct PublishAck {
    /// Name of stream the message was published to.
    pub stream: String,
    /// Sequence number the message was published in.
    #[serde(rename = "seq")]
    pub sequence: u64,
    /// Domain the message was published to
    #[serde(default, skip_serializing_if = "String::is_empty")]
    pub domain: String,
    /// True if the published message was determined to be a duplicate, false otherwise.
    #[serde(default, skip_serializing_if = "Not::not")]
    pub duplicate: bool,
}