/*!
 * @license
 * Copyright © 2005-2025 Hyland Software, Inc. and its affiliates. All rights reserved.
 *
 * 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.
 */
import { AfterContentInit, TemplateRef } from '@angular/core';
import * as i0 from "@angular/core";
export declare class ViewerExtensionDirective implements AfterContentInit {
    private readonly viewerComponent;
    template: TemplateRef<unknown>;
    urlFileContent: string;
    extension: string;
    supportedExtensions: string[];
    templateModel: {
        template: TemplateRef<unknown>;
        isVisible: boolean;
    };
    private readonly destroyRef;
    ngAfterContentInit(): void;
    /**
     * Check if the current extension in the viewer is compatible with this extension checking against `supportedExtensions`
     *
     * @param fileExtension file extension to check
     * @returns `true` if file extension is compatible, otherwise `false`
     */
    isVisible(fileExtension: string): boolean;
    static ɵfac: i0.ɵɵFactoryDeclaration<ViewerExtensionDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<ViewerExtensionDirective, "adf-viewer-extension", never, { "urlFileContent": { "alias": "urlFileContent"; "required": false; }; "extension": { "alias": "extension"; "required": false; }; "supportedExtensions": { "alias": "supportedExtensions"; "required": false; }; }, {}, ["template"], never, true, never>;
}