import Handlebars, { HelperDelegate, TemplateDelegate } from 'handlebars';
import { TRenderCallback, TPartialTemplates, TFilePaths } from './types';
export type TPageKitHandlebarsOptions = {
    /**
     * An instance of Handlebars to use.
     * @default require('handlebars')
     */
    handlebars?: typeof Handlebars;
    /**
     * Current working directory.
     * @default process.cwd()
     */
    rootDirectory?: string;
    /**
     * Additional helper functions to register with Handlebars.
     * @default {}
     */
    helpers?: {
        [key: string]: HelperDelegate;
    };
    /**
     * Partial templates to register with Handlebars.
     * @default {}
     */
    partials?: TPartialTemplates;
    /**
     * A list of directories and patterns used to dynamically find and load partial template files.
     * @default { './views/partials': '**\/*.{hbs,html}' }
     */
    partialPaths?: TFilePaths;
    /**
     * Enable caching of template files to reduce filesystem I/O
     * @default process.env.NODE_ENV !== 'development
     */
    cache?: boolean;
};
export declare class PageKitHandlebars {
    options: TPageKitHandlebarsOptions;
    engine: this['renderView'];
    private cache;
    constructor(userOptions?: TPageKitHandlebarsOptions);
    loadPartials(): TPartialTemplates;
    loadTemplate(filePath: string): TemplateDelegate;
    render(template: string | TemplateDelegate, templateContext: any): string;
    renderView(templatePath: string, templateContext: any, callback: TRenderCallback): void;
}