/**
 * ExcelJSRenderer
 *
 * Renderer adapter for Excel (.xlsx) generation using ExcelJS.
 * Extends BaseRendererAdapter.
 *
 * **Supported Formats**: EXCEL (.xlsx)
 *
 * **Pros**:
 * - Native Excel generation
 * - Full Excel features (formulas, charts, styles)
 * - No HTML/browser required
 * - Fast and lightweight
 *
 * **Use Cases**:
 * - Transaction reports
 * - Invoice lists
 * - Financial statements
 * - Data exports
 * - Analytics dashboards
 */
import { type StorageRenderOptions, type StorageRenderResult, type StorageRendererHealthCheck, type StorageExcelJSRendererConfig } from '@plyaz/types/storage';
import { BaseRendererAdapter } from '../base/BaseRendererAdapter';
/**
 * ExcelJSRenderer Adapter
 *
 * Generates Excel files from structured data.
 *
 * @example
 * ```typescript
 * const renderer = new ExcelJSRenderer({
 *   name: 'exceljs-main',
 *   type: STORAGE_RENDERER_TYPE.EXCELJS,
 *   enabled: true,
 *   priority: 100,
 *   supportedFormats: [OUTPUT_FORMAT.EXCEL]
 * });
 *
 * const result = await renderer.render({
 *   format: OUTPUT_FORMAT.EXCEL,
 *   data: {
 *     sheets: [{
 *       name: 'Transactions',
 *       data: [
 *         { date: '2025-01-01', amount: 1000, description: 'Payment' },
 *         { date: '2025-01-02', amount: 500, description: 'Refund' }
 *       ]
 *     }]
 *   },
 *   excelOptions: {
 *     sheetName: 'Report',
 *     freezeHeader: true,
 *     autoFilter: true
 *   }
 * });
 * ```
 */
export declare class ExcelJSRenderer extends BaseRendererAdapter {
    private readonly defaultOptions;
    constructor(config: StorageExcelJSRendererConfig);
    /**
     * Render content
     */
    render(options: StorageRenderOptions): Promise<StorageRenderResult>;
    /**
     * Generate Excel file using ExcelJS
     * @private
     */
    private generateExcel;
    /**
     * Get Excel data from options
     * @private
     */
    private getExcelData;
    /**
     * Check renderer health
     */
    checkHealth(): Promise<StorageRendererHealthCheck>;
}