import nunjucks from 'nunjucks';
import { PageSources } from '../Page/PageSources.js';
import '../patches/nunjucks/index.js';
/**
 * Wrapper class over a nunjucks environment configured for the respective (sub)site.
 */
export declare class VariableRenderer {
    private siteRootPath;
    private pageSources;
    private nj;
    constructor(siteRootPath: string);
    /**
     * Processes content with the instance's nunjucks environment.
     * @param content to process
     * @param variables to render the content with
     * @param pageSources to add dependencies found during nunjucks rendering to
     * @return nunjucks processed content
     */
    renderString(content: string, variables: Record<string, any>, pageSources: PageSources): string;
    /**
     * Processes file content with the instance's nunjucks environment.
     * @param contentFilePath to process
     * @param variables to render the content with
     * @param pageSources to add dependencies found during nunjucks rendering to
     * @return nunjucks processed content
     */
    renderFile(contentFilePath: string, variables: Record<string, any>, pageSources: PageSources): string;
    /**
     Invalidate the internal nunjucks template cache
     */
    invalidateCache(): void;
    /**
     * Compiles a template specified at src independent of the template directory.
     * This is used for the page template file (page.njk), where none of nunjucks' features
     * involving path resolving are used.
     * @param templatePath of the template to compile
     */
    static compile(templatePath: string): nunjucks.Template;
}
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