import { RenderTemplate } from "./types/index.js";
import { ParsedArguments } from "./utils/argumentParser.js";
/**
 * JSON-driven printer application
 */
export declare class JsonPrinterApp {
    private readonly logger;
    private readonly imageProcessor;
    private readonly printerService;
    private readonly templateService;
    private readonly parsedArgs?;
    constructor(parsedArgs?: ParsedArguments);
    /**
     * Core rendering logic shared between print and render-only modes
     */
    private renderTemplate;
    private handleConnection;
    /**
     * Generic method to execute operations with template
     */
    private executeWithTemplate;
    /**
     * Perform print operation with printer connection
     */
    private performPrint;
    /**
     * Perform render-only operation (no printer)
     */
    private performRenderOnly;
    run(templateName: string, variables?: Record<string, string | number>): Promise<void>;
    runWithFile(templateFilePath: string, variables?: Record<string, string | number>): Promise<void>;
    runWithTemplate(template: RenderTemplate | object, variables?: Record<string, string | number>): Promise<void>;
    /**
     * Render template to image only (no printer connection)
     */
    renderOnly(templateName: string, variables?: Record<string, string | number>): Promise<void>;
    /**
     * Render template file to image only (no printer connection)
     */
    renderFileOnly(templateFilePath: string, variables?: Record<string, string | number>): Promise<void>;
    private setupProcessHandlers;
}