/** Core's `clampSheetRange`: a preview, not a spreadsheet application. */
export declare const SHEET_LIMITS: {
    readonly MAX_ROWS: 1000;
    readonly MAX_COLS: 50;
};
export type SheetPreview = {
    name: string;
    html: string;
    truncated: boolean;
};
export declare function buildDocxDocument(bodyHtml: string, isDark: boolean): string;
/** Core's `buildSheetDocument`. The header row sticks, so a long sheet keeps its column names. */
export declare function buildSheetDocument(tableHtml: string, isDark: boolean): string;
type SheetRange = {
    s: {
        r: number;
        c: number;
    };
    e: {
        r: number;
        c: number;
    };
};
type SheetJs = {
    read: (data: ArrayBuffer, opts: {
        type: 'array';
    }) => {
        SheetNames?: string[];
        Sheets: Record<string, Worksheet>;
    };
    utils: {
        decode_range: (ref: string) => SheetRange;
        encode_range: (range: SheetRange) => string;
        sheet_to_html: (ws: Worksheet, opts?: {
            editable?: boolean;
        }) => string;
    };
};
type Worksheet = Record<string, unknown> & {
    '!ref'?: string;
};
export declare function clampSheetRange(XLSX: Pick<SheetJs['utils'], 'decode_range' | 'encode_range'>, ws: Worksheet): boolean;
export declare function docxToHtml(bytes: ArrayBuffer): Promise<string>;
export declare function xlsxToSheets(bytes: ArrayBuffer): Promise<SheetPreview[]>;
export {};