import { AggregateFunction, ColumnNode, PivotConfig, PivotField, PivotNode, PivotPlugin, PivotSort } from './pivot-table-types';
type DataRow = Record<string, unknown>;
export declare const getNestedValue: (obj: DataRow, path: string) => unknown;
export declare const setNestedValue: (obj: DataRow, path: string, value: unknown) => DataRow;
export declare const aggregate: (values: unknown[], fn: AggregateFunction, allRows: DataRow[], plugins: PivotPlugin[], disabledFunctions: string[]) => number | string;
export declare const buildPivotTree: (data: DataRow[], config: PivotConfig, plugins?: PivotPlugin[], disabledFunctions?: string[]) => PivotNode;
export declare const buildColumnTree: (data: DataRow[], config: PivotConfig) => {
    columns: ColumnNode[];
    leafColumns: string[];
};
export declare const getCellValue: (node: PivotNode, leafColumnKey: string, valueFields: PivotField[]) => {
    raw: number | string;
    formatted: string;
};
export declare const sortPivotNodes: (nodes: PivotNode[], sort: PivotSort | null) => PivotNode[];
export declare const getAvailableAggregateFunctions: (plugins: PivotPlugin[], disabledFunctions: string[]) => Array<{
    name: string;
    label: string;
    description?: string;
}>;
export declare const detectFieldType: (data: DataRow[], field: string) => "string" | "number" | "boolean" | "date" | "object";
export declare const getAllFields: (data: DataRow[]) => string[];
export {};