import type { GridColDef } from '@mui/x-data-grid-pro';
import type { GridFormulaFunctionDefinition, GridFormulaInternalCache } from "./gridFormulaInterfaces.mjs";
import type { DataGridPremiumProcessedProps } from "../../../models/dataGridPremiumProps.mjs";
/**
 * The built-in formula functions.
 * The `formulaFunctions` prop has replacement semantics: spread this object to extend it.
 */
export declare const GRID_FORMULA_FUNCTIONS: Record<string, GridFormulaFunctionDefinition>;
/**
 * Resolves the `formulaFunctions` prop default. The default lives here — not in
 * `useDataGridPremiumProps` — so the grid does not bundle the built-in function
 * set (and, through it, the engine) when the formula feature is not injected.
 * Stable identities: the return value is compared by identity against the
 * registry source cache.
 */
export declare function getEffectiveFormulaFunctions(props: Pick<DataGridPremiumProcessedProps, 'formulaFunctions' | 'dataSource'>): Record<string, GridFormulaFunctionDefinition>;
export declare function createFormulaInternalCache(formulaFunctions: Record<string, GridFormulaFunctionDefinition>): GridFormulaInternalCache;
export declare function resetFormulaEvaluationCache(cache: GridFormulaInternalCache): void;
export declare function getFormulaFields(columnsLookup: Record<string, GridColDef>): string[];
export declare function areFormulaFieldsEqual(a: string[], b: string[]): boolean;
/**
 * The column inputs evaluation depends on: field existence and `valueGetter`
 * identity (raw dependency reads go through it).
 */
export declare function computeColumnsSignature(columnsLookup: Record<string, GridColDef>): Map<string, unknown>;
export declare function areColumnsSignaturesEqual(a: Map<string, unknown>, b: Map<string, unknown>): boolean;
export declare function areFormulaFunctionRecordsEqual(a: Record<string, GridFormulaFunctionDefinition>, b: Record<string, GridFormulaFunctionDefinition>): boolean;