import { IPv4 } from "./ip";
/**
 * ログモデル
 *
 * ログファイルの一行文のデータをモデル化したクラス
 */
export declare class Log {
    readonly timestamp: Date;
    readonly address: IPv4;
    readonly time: number | null;
    constructor(timestamp: Date, address: IPv4, time: number | null);
    static parse(rawLogText: string): Log;
    isSameAddress(target: Log): boolean;
    get isTimeout(): boolean;
}
declare type LogsFilterByFailureOptionType = {
    thresholds: {
        timeout: number;
    };
};
/**
 * ログコレクションモデル
 *
 * 複数のログモデルを取り扱うクラス
 * 特有のグルーピング関数やフィルタ関数などを実装
 */
export declare class Logs extends Array<Log> {
    groupByAddress(): Map<string, Logs>;
    groupByTimestamp(): Map<number, Logs>;
    findNext(log: Log): Log | undefined;
    sortByTimestamp(direction?: "asc" | "desc"): Logs;
    filterByTimeout(flag?: boolean): Logs;
    filterByFailure(option?: LogsFilterByFailureOptionType): Logs;
    static get [Symbol.species](): ArrayConstructor;
}
export {};