import { PivotAggregation, PivotChartResult, PivotConfig, PivotField, PivotFilter, PivotRecord, PivotTableResult } from './types';
/** 过滤记录 */
export declare const filterRecords: (records: PivotRecord[], filters: PivotFilter[]) => PivotRecord[];
/** 排序记录 */
export declare const sortRecords: (records: PivotRecord[], sorts: PivotConfig["sorts"]) => PivotRecord[];
/** 提取字段唯一值 */
export declare const getUniqueValues: (records: PivotRecord[], field: string) => any[];
/** 生成行/列组合键 */
export declare const buildKeys: (records: PivotRecord[], fields: string[]) => string[][];
/** 聚合 */
export declare const aggregate: (records: PivotRecord[], field: string, agg: PivotAggregation) => number;
/** 计算透视表 */
export declare const computePivotTable: (records: PivotRecord[], fields: PivotField[], config: PivotConfig) => PivotTableResult;
/** 计算图表数据 */
export declare const computePivotChart: (records: PivotRecord[], fields: PivotField[], config: PivotConfig, chartType: PivotChartResult["chartType"]) => PivotChartResult;
/** 格式化数字 */
export declare const formatNumber: (value: number | string | null, format: string) => string;