import type { PivotModel } from "../../use-client-data-source";
import type { Column, GridSpec } from "../../../types.js";
import { type ColumnPin, type RowLeaf } from "@1771technologies/lytenyte-shared";
import type { ControlledPivotState } from "./use-pivot-state";
export interface PivotState {
    readonly columnState: {
        readonly ordering: string[];
        readonly resizing: Record<string, number>;
        readonly pinning: Record<string, ColumnPin>;
    };
    readonly columnGroupState: Record<string, boolean>;
    readonly rowGroupExpansions: Record<string, boolean | undefined>;
}
export declare function usePivotColumns<Spec extends GridSpec = GridSpec>(pivotMode: boolean, pivotControlled: ControlledPivotState, model: PivotModel<Spec> | undefined, leafs: RowLeaf<Spec["data"]>[], filtered: number[], processor: null | undefined | ((columns: Column<any>[]) => Column<any>[])): Column<Spec>[] | null;