/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes} checked by tsc
 */
/**
 * Copyright (C) 2018 Michael Czechowski <mail@dailysh.it>
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; version 2.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 51
 * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */
import { Injectable } from '@angular/core';
export class NlsHistoryService {
    constructor() {
        this.history = [];
    }
    /**
     * @param {?} graphs
     * @param {?} config
     * @return {?}
     */
    save(graphs, config) {
        this.history.push({
            date: new Date(),
            graphs: graphs,
            config: config,
            hash: this.hash(graphs)
        });
    }
    /**
     * @param {?} graphs
     * @return {?}
     */
    hash(graphs) {
        return btoa(JSON.stringify(graphs));
    }
    /**
     * @return {?}
     */
    list() {
        return this.history;
    }
}
NlsHistoryService.decorators = [
    { type: Injectable },
];
/** @nocollapse */
NlsHistoryService.ctorParameters = () => [];
function NlsHistoryService_tsickle_Closure_declarations() {
    /** @type {?} */
    NlsHistoryService.prototype.history;
}

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