import type { AgColumn, IPivotColsService, NamedBean } from 'ag-grid-community';
import { OrderedColsService } from '../columns/orderedColsService';
export declare class PivotColsSvc extends OrderedColsService implements NamedBean, IPivotColsService {
    beanName: "pivotColsSvc";
    protected eventName: "columnPivotChanged";
    protected enableProp: "pivot";
    protected indexProp: "pivotIndex";
    protected initialEnableProp: "initialPivot";
    protected initialIndexProp: "initialPivotIndex";
    /** True if any active pivot col has a `pivotComparator`; cached so {@link isStrictColumnOrder} stays O(1). */
    private hasPivotComparator;
    postConstruct(): void;
    protected setActiveFlag(col: AgColumn, active: boolean): boolean;
    /** Stamps each active pivot col's position (`pivotActiveIndex`) and refreshes {@link hasPivotComparator}. */
    protected onColumnsChanged(): void;
    isStrictColumnOrder(): boolean;
}