import { Button } from '@syncfusion/ej2-buttons';
import { FormRenderer, FormSchema, UnifiedSchema } from '@syncfusion/ej2-form-renderer';
import FormBuilder from '../../form-builder';
/** @private */
export interface PreviewPaneOwners {
    buttons: Button[];
    dialogs: any[];
    grids: any[];
    formRenderers: FormRenderer[];
    docListeners: Array<{
        target: EventTarget;
        event: string;
        handler: EventListener;
        opts?: AddEventListenerOptions | boolean;
    }>;
    timers: number[];
}
/** @private */
export interface PreviewPaneOptions {
    isOpen: boolean;
    onClose: () => void;
    schema?: UnifiedSchema | null;
    enableRtl?: boolean;
    formSchema: FormSchema;
    locale?: string;
    owners?: PreviewPaneOwners;
    /**
     * The owning `FormBuilder.toolboxItems` entries to forward to the
     * preview `FormRenderer` as its `customWidgetSettings`. Whatever the
     * builder received (`template` / `type` / `templateId`) is passed to
     * the renderer as-is so custom templates render identically in preview.
     */
    toolboxItems?: any[];
    formBuilder: FormBuilder;
}
/** @private */
export declare class PreviewPane {
    private host;
    private options;
    private mainEl;
    private formAreaEl;
    private formHostEl;
    private closeButton;
    private formRenderer;
    private formKey;
    private formBuilder;
    private currentFormName;
    private owners;
    private localListeners;
    private isMounted;
    private isDestroyed;
    private handlers;
    constructor(host: HTMLElement, options: PreviewPaneOptions);
    /** @private */
    render(options: PreviewPaneOptions): void;
    /** @private */
    close(): void;
    /**
     * Programmatically sets a form field's value for user edits.
     *
     * @private
     * @param  {string} fieldName - The field's `name` (the schema property's `name`).
     * @param  {any} value - The new value to set.
     * @returns void
     */
    setFieldValue(fieldName: string, value: any): void;
    /** @private */
    destroy(): void;
    /** @private */
    getFormRenderer(): FormRenderer | null;
    /** @private */
    getHostEl(): HTMLElement | null;
    private buildShell;
    private applyVisibility;
    private mountPreview;
    private unmountPreview;
    private renderForm;
    private destroyFormRenderer;
    private handleSubmit;
    private updatePreviewHeight;
    private addTrackedListener;
    private removeTrackedListener;
    private removeLocalListeners;
    private removeFromOwners;
}
export default PreviewPane;