import { ProcessorInput } from '../utils/io';
import { BaseProcessor, ExtractStringsResult, TranslatedString, SourceString } from '../core/baseProcessor';
import { AACTree } from '../core/treeStructure';
/**
 * Excel Processor for converting AAC grids to Excel format
 * Converts AAC tree structures to Excel workbooks with each page as a worksheet
 * Supports visual styling, navigation links, and vocabulary analysis workflows
 */
export declare class ExcelProcessor extends BaseProcessor {
    readonly capabilities: {
        wordList: "none";
        preservesAssetsOnSave: boolean;
        newCellCreation: "allowed";
    };
    private static readonly NAVIGATION_BUTTONS;
    /**
     * Extract all text content from an Excel file
     * @param filePathOrBuffer - Path to Excel file or Buffer containing Excel data
     * @returns Promise resolving to all text content found in the Excel file
     */
    extractTexts(_filePathOrBuffer: ProcessorInput): Promise<string[]>;
    /**
     * Load Excel file into AACTree structure
     * @param filePathOrBuffer - Path to Excel file or Buffer containing Excel data
     * @returns Promise resolving to an AACTree representation of the Excel file
     */
    loadIntoTree(_filePathOrBuffer: ProcessorInput): Promise<AACTree>;
    /**
     * Process texts in Excel file (apply translations)
     * @param filePathOrBuffer - Path to Excel file or Buffer containing Excel data
     * @param translations - Map of original text to translated text
     * @param outputPath - Path where translated Excel file should be saved
     * @returns Promise resolving to a buffer containing the translated Excel file
     */
    processTexts(_filePathOrBuffer: ProcessorInput, _translations: Map<string, string>, outputPath: string): Promise<Uint8Array>;
    /**
     * Convert an AAC page to an Excel worksheet
     * @param workbook - Excel workbook to add worksheet to
     * @param page - AAC page to convert
     * @param tree - Full AAC tree for navigation context
     * @param usedNames - Set of already used worksheet names to avoid duplicates
     */
    private convertPageToWorksheet;
    /**
     * Calculate optimal grid dimensions for buttons
     * @param page - AAC page to analyze
     * @returns Object with rows and cols dimensions
     */
    private calculateGridDimensions;
    /**
     * Convert grid layout to Excel cells
     * @param worksheet - Excel worksheet
     * @param grid - 2D array of AAC buttons
     * @param startRow - Starting row number
     */
    private convertGridLayout;
    /**
     * Convert button list to grid layout in Excel
     * @param worksheet - Excel worksheet
     * @param buttons - Array of AAC buttons
     * @param rows - Number of rows in grid
     * @param cols - Number of columns in grid
     * @param startRow - Starting row number
     */
    private convertButtonsToGrid;
    /**
     * Set button data and formatting for an Excel cell
     * @param worksheet - Excel worksheet
     * @param button - AAC button to represent
     * @param row - Excel row number
     * @param col - Excel column number
     */
    private setButtonCell;
    /**
     * Apply AAC button styling to Excel cell
     * @param cell - Excel cell to style
     * @param style - AAC style object
     */
    private applyCellStyling;
    /**
     * Convert color string to ARGB format for Excel
     * @param color - Color string (hex, rgb, etc.)
     * @returns ARGB color string
     */
    private convertColorToArgb;
    /**
     * Add navigation link to cell for worksheet navigation
     * @param cell - Excel cell to add link to
     * @param targetPageId - Target page ID to link to
     */
    private addNavigationLink;
    /**
     * Set appropriate cell size for button representation
     * @param worksheet - Excel worksheet
     * @param row - Row number
     * @param col - Column number
     */
    private setCellSize;
    /**
     * Add navigation row with standard AAC navigation buttons
     * @param worksheet - Excel worksheet
     * @param page - Current AAC page
     * @param tree - Full AAC tree for navigation context
     */
    private addNavigationRow;
    /**
     * Apply general formatting to the worksheet
     * @param worksheet - Excel worksheet
     * @param rows - Number of content rows
     * @param cols - Number of content columns
     * @param startRow - Starting row for content
     */
    private formatWorksheet;
    /**
     * Sanitize worksheet name for Excel compatibility
     * @param name - Original name
     * @returns Sanitized name safe for Excel worksheet
     */
    private sanitizeWorksheetName;
    /**
     * Get a unique worksheet name by appending a number if needed
     * @param name - Original name
     * @param usedNames - Set of already used names (case-insensitive)
     * @returns Unique worksheet name
     */
    private getUniqueWorksheetName;
    /**
     * Check if navigation row should be added (configurable feature)
     * @returns True if navigation row should be added
     */
    private shouldAddNavigationRow;
    /**
     * Override saveFromTree to handle async nature of Excel operations
     * Note: This method is async but maintains the sync interface for compatibility
     */
    saveFromTree(tree: AACTree, outputPath: string): Promise<void>;
    /**
     * Async version of saveFromTree for internal use
     */
    private saveFromTreeAsync;
    /**
     * Extract strings with metadata for aac-tools-platform compatibility
     * Uses the generic implementation from BaseProcessor
     */
    extractStringsWithMetadata(filePath: string): Promise<ExtractStringsResult>;
    /**
     * Generate translated download for aac-tools-platform compatibility
     * Uses the generic implementation from BaseProcessor
     */
    generateTranslatedDownload(filePath: string, translatedStrings: TranslatedString[], sourceStrings: SourceString[]): Promise<string>;
}