export type SpreadsheetDocumentType = "xlsx" | "xls";
export interface ParseSpreadsheetDocumentInput {
    data: Uint8Array;
    fileName: string;
    mimeType?: string;
    maxBytes?: number;
    maxChars?: number;
    maxColumns?: number;
    maxRowsPerSheet?: number;
    maxSheets?: number;
}
export interface ParsedSpreadsheetSheet {
    index: number;
    title: string;
    text: string;
    metadata: {
        sheetName: string;
        rowCount: number;
        columnCount: number;
        sampledRowCount: number;
        sampledColumnCount: number;
        truncated: boolean;
    };
}
export interface ParsedSpreadsheetDocument {
    text: string;
    fileType: SpreadsheetDocumentType;
    title: string;
    parser: "sheetjs-workbook";
    parts: ParsedSpreadsheetSheet[];
    metadata: {
        sheetNames: string[];
        sheetCount: number;
        sampledSheetCount: number;
        truncated: boolean;
    };
    warnings: string[];
}
export declare function isSpreadsheetDocument(fileName: string, mimeType?: string): boolean;
export declare function detectSpreadsheetDocumentType(fileName: string, mimeType?: string): SpreadsheetDocumentType | null;
export declare function parseSpreadsheetDocument(input: ParseSpreadsheetDocumentInput): Promise<ParsedSpreadsheetDocument>;