/**
 * Data Grid Summary Row Module
 * Provides footer summary row functionality with aggregate calculations
 */
import type { IdsDataGridColumn } from './ids-data-grid-column';
export type AggregateFunction = 'sum' | 'avg' | 'count' | 'min' | 'max' | 'custom';
export type SummaryValue = number | string | null;
export type SummaryFieldValue = number | string | null | undefined;
export type CustomAggregateFunction = (values: SummaryFieldValue[]) => SummaryValue;
export interface IdsDataGridSummaryConfig {
    /** Field to aggregate */
    field: string;
    /** Aggregate function to apply */
    function: AggregateFunction;
    /** Custom aggregate function if function is 'custom' */
    customFunction?: CustomAggregateFunction;
    /** Format the aggregated value */
    label?: string;
}
export interface IdsDataGridSummaryRowData {
    isSummaryRow: true;
    aggregates: Record<string, SummaryValue>;
}
/**
 * Calculate an aggregate value for a set of rows
 * @param {SummaryFieldValue[]} values The values to aggregate
 * @param {AggregateFunction} fn The aggregate function to use
 * @param {CustomAggregateFunction} customFn Custom function if fn is 'custom'
 * @returns {SummaryValue} The aggregated value
 */
export declare function calculateAggregate(values: SummaryFieldValue[], fn: AggregateFunction, customFn?: CustomAggregateFunction): SummaryValue;
/**
 * Generate summary row data from full dataset
 * @param {Array<Record<string, SummaryFieldValue>>} data The data to summarize
 * @param {Array<IdsDataGridSummaryConfig>} summaryConfig Summary configuration
 * @returns {IdsDataGridSummaryRowData} The summary row data
 */
export declare function generateSummaryRow(data: Array<Record<string, SummaryFieldValue>>, summaryConfig: Array<IdsDataGridSummaryConfig>): IdsDataGridSummaryRowData;
/**
 * Type for a data grid cell formatter function
 */
export type SummaryCellFormatter = (row: Record<string, unknown>, col: IdsDataGridColumn, idx: number, grid: Record<string, unknown>) => string;
/**
 * Options for formatting a summary cell's content
 */
export interface SummaryCellFormatOptions {
    /** The column field key */
    fieldKey: string;
    /** The calculated aggregate value */
    aggregateValue: SummaryValue;
    /** The column configuration */
    column: IdsDataGridColumn;
    /** Available formatters (keyed by name) */
    formatters: Record<string, SummaryCellFormatter>;
    /** The parent data grid instance (Record to avoid circular import) */
    grid: Record<string, unknown>;
    /** The escapeHTML function */
    escapeHTML: (value?: string) => string;
}
/**
 * Generate the HTML content for a summary cell given an aggregate value and column config
 * @param {SummaryCellFormatOptions} options Formatting options
 * @returns {string} The formatted HTML content for the cell
 */
export declare function formatSummaryCellContent(options: SummaryCellFormatOptions): string;