import { Service } from '../../entities/service';
import { PluginManager } from '../../plugin.manager';
import { Hashtable } from '../../structure';
export declare class TemplateService extends Service {
    protected pluginManager: PluginManager;
    private compiledTemplates;
    private templatesStrings;
    private helpersRegistry;
    constructor(pluginManager: PluginManager);
    getServiceId(): string;
    addHelper(helperId: string, fn: () => void): void;
    init(): Promise<void>;
    render(templateId: string, data: any): string;
    getTemplate(templateId: string): string;
    renderFromString(template: string, data: Hashtable<any>, lng?: string): string;
    private getContent;
}
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