import HeaderObject, { Accessor } from "../types/HeaderObject";
import { ColumnVisibilityState } from "../types/ColumnVisibilityTypes";
export interface ColumnManagerConfig {
    headers: HeaderObject[];
    collapsedHeaders: Set<Accessor>;
    onColumnOrderChange?: (newHeaders: HeaderObject[]) => void;
    onColumnVisibilityChange?: (visibilityState: ColumnVisibilityState) => void;
    onColumnWidthChange?: (headers: HeaderObject[]) => void;
}
export interface ColumnManagerState {
    headers: HeaderObject[];
    collapsedHeaders: Set<Accessor>;
    columnVisibility: ColumnVisibilityState;
    draggedHeader: HeaderObject | null;
    hoveredHeader: HeaderObject | null;
}
type StateChangeCallback = (state: ColumnManagerState) => void;
export declare class ColumnManager {
    private config;
    private state;
    private subscribers;
    constructor(config: ColumnManagerConfig);
    private buildColumnVisibilityState;
    updateConfig(config: Partial<ColumnManagerConfig>): void;
    subscribe(callback: StateChangeCallback): () => void;
    private notifySubscribers;
    setHeaders(headers: HeaderObject[]): void;
    setCollapsedHeaders(collapsedHeaders: Set<Accessor>): void;
    toggleColumnCollapse(accessor: Accessor): void;
    setColumnVisibility(accessor: Accessor, visible: boolean): void;
    updateColumnWidth(accessor: Accessor, width: number | string): void;
    reorderColumns(newHeaders: HeaderObject[]): void;
    setDraggedHeader(header: HeaderObject | null): void;
    setHoveredHeader(header: HeaderObject | null): void;
    getState(): ColumnManagerState;
    getHeaders(): HeaderObject[];
    getCollapsedHeaders(): Set<Accessor>;
    getColumnVisibility(): ColumnVisibilityState;
    isColumnVisible(accessor: Accessor): boolean;
    destroy(): void;
}
export {};