import { SpreadsheetColumn } from '../types';
import { CellValue } from '@polycyphers/spreadsheet-core';
export interface UseFormulaEngineOptions<T> {
    columns: SpreadsheetColumn<T>[];
    data: T[];
    enabled?: boolean;
}
export interface FormulaEngineResult {
    /** Whether the engine is active */
    enabled: boolean;
    /** Check if a cell value is a formula (starts with = or +) */
    isFormula: (value: any) => boolean;
    /** Get the computed/display value for a cell. Returns the original value if not a formula. */
    getDisplayValue: (rowIndex: number, columnKey: string, rawValue: any) => any;
    /** Get the raw formula string for a cell (for the formula bar). Returns the raw value if not a formula. */
    getRawFormula: (rowIndex: number, columnKey: string, rawValue: any) => any;
    /** Process a value through the engine: store it, evaluate if formula, return the value to store in the data model */
    processValue: (rowIndex: number, columnKey: string, value: any, column: SpreadsheetColumn<any>) => any;
    /** Get all cells that need to be updated after a cell change (dependents) */
    getDependentUpdates: (rowIndex: number, columnKey: string) => Array<{
        rowIndex: number;
        columnKey: string;
        value: CellValue;
    }>;
    /** Sync the engine with the current data (called on data change) */
    syncData: () => void;
    /** Engine revision — increments on each recalculation to trigger re-renders */
    revision: number;
}
export declare function useFormulaEngine<T>(options: UseFormulaEngineOptions<T>): FormulaEngineResult;
export default useFormulaEngine;
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