import type { ColumnDataType, DataTableColumn, DataTableFilter, DataTableProps, DataTableSort, FilterType } from './types';
/**
 * Pure data helpers for DataTable: value access, formatting, aggregation,
 * sorting and filtering. Nothing here touches React or the theme, so it can be
 * unit-tested and reused by the sub-components without dragging the table in.
 */
export declare const getValue: <T>(row: T, accessor: keyof T | ((row: T) => any)) => any;
export declare const formatValue: (value: any, dataType?: ColumnDataType) => string;
export declare const isNumericType: (dataType?: ColumnDataType) => boolean;
export declare const computeAggregate: <T>(agg: import("./types").AggregateType<T>, rows: T[], column: DataTableColumn<T>) => number | string;
export declare const DEFAULT_COLUMN_WIDTH = 120;
export declare const SELECT_COL_WIDTH = 50;
export declare const EXPAND_COL_WIDTH = 50;
export declare const getColumnAlign: <T>(column: DataTableColumn<T>) => "left" | "center" | "right";
export declare const getColumnFilterType: <T>(column: DataTableColumn<T>) => FilterType;
export declare const sortData: <T>(data: T[], sortBy: DataTableSort[], columns: DataTableColumn<T>[]) => T[];
export declare const toDayKey: (value: any) => number | null;
export declare const filterData: <T>(data: T[], filters: DataTableFilter[], columns: DataTableColumn<T>[], searchValue?: string, rowFeatureToggle?: DataTableProps<T>["rowFeatureToggle"]) => T[];