/**
 * Minimal duck-type interface for a HyperFormula engine **instance**.
 * Describes only the methods and properties accessed by Handsontable internals.
 */
export interface HyperFormulaEngine {
    doesSheetExist(sheetName: string): boolean;
    getSheetId(sheetName: string): number;
    addSheet(sheetName?: string): string;
    setSheetContent(sheetId: number | null, data: unknown[][]): unknown[];
    getSheetSerialized(sheetId: number | null): unknown[][];
    getSheetDimensions(sheetId: number): {
        width: number;
        height: number;
    };
    getCellType(address: {
        sheet: number | null;
        row: number;
        col: number;
    }): unknown;
    doesCellHaveFormula(address: {
        sheet: number | null;
        row: number;
        col: number;
    }): boolean;
    getCellValue(address: {
        sheet: number | null;
        row: number;
        col: number;
    }): unknown;
    getCellSerialized(address: {
        sheet: number | null;
        row: number;
        col: number;
    }): unknown;
    isItPossibleToSetCellContents(address: object): boolean;
    setCellContents(address: {
        sheet: number | null;
        row: number;
        col: number;
    }, value: unknown): unknown[];
    isItPossibleToReplaceSheetContent(sheetId: number | null, data: unknown[][]): boolean;
    isItPossibleToAddRows(sheetId: number | null, spec: [number, number]): boolean;
    isItPossibleToAddColumns(sheetId: number | null, spec: [number, number]): boolean;
    isItPossibleToRemoveRows(sheetId: number | null, spec: [number, number]): boolean;
    isItPossibleToRemoveColumns(sheetId: number | null, spec: [number, number]): boolean;
    addRows(sheetId: number | null, spec: [number, number]): unknown[];
    addColumns(sheetId: number | null, spec: [number, number]): unknown[];
    removeRows(sheetId: number | null, spec: [number, number]): void;
    removeColumns(sheetId: number | null, spec: [number, number]): void;
    getFillRangeData(sourceRange: object, targetRange: object): unknown[][];
    batch(callback: () => void): unknown[];
    getConfig(): Record<string, unknown>;
    updateConfig(config: Record<string, unknown>): void;
    on(eventName: string, listener: Function): void;
    off(eventName: string, listener: Function): void;
    suspendEvaluation(): void;
    resumeEvaluation(): void;
    addNamedExpression(name: unknown, expression: unknown, scope: unknown, options: unknown): void;
    undo(): void;
    redo(): void;
    destroy(): void;
    rebuildAndRecalculate(): void;
    [key: string]: any;
}
/**
 * Minimal duck-type interface for a HyperFormula engine **class** (constructor / static API).
 * Describes only the static methods used during engine registration.
 */
export interface HyperFormulaClass {
    buildEmpty(settings: Record<string, unknown>): HyperFormulaEngine;
    registerFunction(name: unknown, plugin: unknown, translations: unknown): void;
    registerLanguage(langCode: unknown, language: unknown): void;
}