/**
 * Destructive: merging keeps only the upper-left value of each merge and
 * discards the rest. Existing merges are listed per sheet by
 * `get_spreadsheet` under `merges`.
 */
export declare const merge_cells: import("../../../lib/operation.js").Operation<import("@googleapis/sheets").sheets_v4.Sheets, import("zod").ZodObject<{
    spreadsheetId: import("zod").ZodString;
    range: import("zod").ZodObject<{
        sheetId: import("zod").ZodOptional<import("zod").ZodNumber>;
        startRowIndex: import("zod").ZodOptional<import("zod").ZodNumber>;
        endRowIndex: import("zod").ZodOptional<import("zod").ZodNumber>;
        startColumnIndex: import("zod").ZodOptional<import("zod").ZodNumber>;
        endColumnIndex: import("zod").ZodOptional<import("zod").ZodNumber>;
    }, import("zod/v4/core").$strict>;
    mergeType: import("zod").ZodEnum<{
        MERGE_ALL: "MERGE_ALL";
        MERGE_COLUMNS: "MERGE_COLUMNS";
        MERGE_ROWS: "MERGE_ROWS";
    }>;
}, import("zod/v4/core").$strict>, import("zod").ZodObject<{
    spreadsheetId: import("zod").ZodString;
}, import("zod/v4/core").$strip>>;
//# sourceMappingURL=index.d.ts.map