import { L10n } from '@syncfusion/ej2-base';
import { FormSchema } from '@syncfusion/ej2-form-renderer';
/**
 * @private
 */
export interface JsonViewerOwners {
    buttons?: any[];
    docListeners?: Array<{
        target: EventTarget;
        event: string;
        handler: EventListener;
        opts?: AddEventListenerOptions | boolean;
    }>;
}
/**
 * @private
 */
export interface JsonViewerOptions {
    formSchema: FormSchema;
    l10n?: L10n;
    force?: boolean;
    copySchema?: () => void;
}
/**
 * @private
 */
export declare class JsonViewer {
    private host;
    private l10n;
    private options;
    private owners;
    private preEl;
    private buttonInstance;
    private buttonHost;
    private container;
    private lastSchemaJson;
    private docListeners;
    /**
     * @private
     */
    constructor(host: HTMLElement, options: JsonViewerOptions, owners?: JsonViewerOwners);
    /**
     * @private
     */
    render(options: JsonViewerOptions): void;
    /**
     * @private
     */
    refresh(schema: FormSchema): void;
    /**
     * @private
     */
    destroy(): void;
    private addTrackedListener;
    private handleCopyClick;
    private buildInnerDom;
}
export default JsonViewer;