/********************************************************************************
 * Copyright (C) 2018 Red Hat, Inc. and others.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the Eclipse
 * Public License v. 2.0 are satisfied: GNU General Public License, version 2
 * with the GNU Classpath Exception which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 ********************************************************************************/
import { Tree, TreeDecorator, TreeDecoration, PreferenceDataProperty, PreferenceService } from '@devpodio/core/lib/browser';
import { Emitter, Event, MaybePromise } from '@devpodio/core';
export declare class PreferencesDecorator implements TreeDecorator {
    private readonly preferencesService;
    readonly id: string;
    private activeFolderUri;
    protected preferences: {
        [id: string]: PreferenceDataProperty;
    }[];
    protected preferencesDecorations: Map<string, TreeDecoration.Data>;
    protected readonly emitter: Emitter<(tree: Tree) => Map<string, TreeDecoration.Data>>;
    constructor(preferencesService: PreferenceService);
    readonly onDidChangeDecorations: Event<(tree: Tree) => Map<string, TreeDecoration.Data>>;
    fireDidChangeDecorations(preferences: {
        [id: string]: PreferenceDataProperty;
    }[]): void;
    decorations(tree: Tree): MaybePromise<Map<string, TreeDecoration.Data>>;
    setActiveFolder(folder: string): void;
    private getPreferenceDisplayValue;
}
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