import { LayoutOptions, FieldExtensionOptions, FormProps } from '@backstage/plugin-scaffolder-react';
/** @public */
export type ScaffolderTemplateFormPreviewerClassKey = 'root' | 'toolbar' | 'controls' | 'textArea' | 'preview';
export declare const TemplateFormPreviewer: ({ defaultPreviewTemplate, customFieldExtensions, layouts, formProps, }: {
    defaultPreviewTemplate?: string;
    customFieldExtensions?: FieldExtensionOptions<any, any>[];
    onClose?: () => void;
    layouts?: LayoutOptions[];
    formProps?: FormProps;
}) => import("react/jsx-runtime").JSX.Element;